Oracle Answer (Rafi-Orilya.blogspot.com)

https://www.udemy.com/programacion-orientada-a-objetos-1-java-mvc-espanol/

http://www.javahispano.org/portada/2013/1/6/arquitectura-java-solida-libro-gratuito-de-jee-en-espaol.html

http://www.tutomundi.org/2009/03/java-desde-cero-manual-super-practico.html

http://cs.joensuu.fi/jeliot/

http://www.compunauta.com/forums/linux/programacion/java/ebook.html enlace POO

descargar gratis libro de programacion orientada a objetos en java

https://www.google.com.co/?gws_rd=cr&ei=zG08UoyeDJC68wTA2oGQCA#q=descargar+gratis+libro+de+programaci

on+orientada+a+objetos+en+java

http://www.etnassoft.com/biblioteca/introduccion-a-la-programacion-orientada-a-objetos-con-java/

http://librosgratis.net/

http://www.identi.li/index.php?topic=109351

http://www.freelibros.com/programacion/programacion-orientada-a-objetos-con-java-3ra-edicion.html

http://www.intercambiosvirtuales.org/libros-manuales/programacion-orientada-a-objetos-con-java-3era-edicion-

prentice-hall

http://espanol.answers.yahoo.com/question/index?qid=20110403075155AA6NBva

Section 1 - Welcome and Introduction Prueba: Welcome: Quiz

Revise las respuestas, los resultados y las puntuaciones de las preguntas que se muestran a continuacin. Las

respuestas correctas estn marcadas con un asterisco (*).

Section 1 (Responder todas las preguntas de esta seccin)

1. What is the course goal? Marcar para Revisin

(1) Puntos

Learn the basic elements of computer programming

Learn the basics of the Java programming language

Write programs

All of the above (*)

Correct

2. Throughout this course you will learn how to program in: Marcar para Revisin

(1) Puntos

SQL

C++

Java (*)

All of the above

Correct

3. The Oracle Academy Java Fundamentals and Java Programming courses

help you prepare for what exam? Marcar para Revisin

(1) Puntos

Microsoft certification exam

Oracle Certified Associate, Java SE7 (*)

IBM certification exam

None of the above

Correct

4. Which of the following courses are part of the Oracle Academy Java

training? Marcar para Revisin

(1) Puntos

(Seleccione todas las respuestas correctas)

Java Programming (*)

Java Application Development

Java Fundamentals (*)

Animating with Java

Correct

5. Which of the following instructional methods are included in this course? Marcar para Revisin

(1) Puntos

Quizzes and exams

Journaling and blogging

Practice activities

Lectures


Correct

6. The teaching strategy for the Oracle Academy Java training includes lectures

and practical exercises. Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

7. Oracle iLearning is used to access everything in the course except what? Marcar para Revisin

(1) Puntos

Quizzes

Slides

Exams

Java IDE (*)

Correct

8. What is the learning management system used in this course? Marcar para Revisin

(1) Puntos

Alice 3

Greenfoot

iLearning (*)

BlueJ

Eclipse

Correct

9. What does IDE stand for in this course? Marcar para Revisin

(1) Puntos

International development environment

Interactive design environment

Integrated development environment (*)

Correct

10. An IDE includes tools for which tasks? Marcar para Revisin

(1) Puntos

Writing code

Compiling code

Editing code

Debugging programs


Correct

11.

Why is teamwork important? Marcar para Revisin

(1) Puntos

Individuals must work together effectively for companies to remain

competitive.

Goals can be reached faster and more efficiently.

Teamwork can result in new and innovative ideas.


2 and 3 only

Correct

12.

Effective teamwork is essential for organizations to realize their full

potential and to meet certain goals. Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

Prueba: Introduction: Quiz

Revise las respuestas, los resultados y las puntuaciones de las preguntas que se muestran a continuacin. Las respuestas correctas estn marcadas con un asterisco (*).


1. Why is it useful to learn Alice 3 and Greenfoot? Marcar para Revisin

(1) Puntos


They both teach you how to code objects to move. (*)

They both allow you to drag and drop objects. (*)

They both allow you to learn the fundamental ideas in programming by creating objects in a virtual world. (*)

None of the above

Correct

2. Alice is a good introduction to learning how to program for which of the following reasons? 1. It uses the Alice+ programming language syntax. 2. It is easy to drag and drop objects on the screen rather than type. 3. You learn fundamentals of computer programming by creating animations.

Marcar para Revisin (1) Puntos

1 only

2 only

3 only

1, 2, and 3

2 and 3 only (*)

Correct

3. Which of the following steps is not needed to generate an animation in Alice or to create a game in Greenfoot? Marcar para Revisin

(1) Puntos

Test

Implement

Import graphical objects (*)

Create a scenario

Design a storyboard

Correct

4. When designing the scenario for a game or animation, what questions should you answer? Marcar para Revisin

(1) Puntos


What programming constructs are needed?

What objects are needed? (*)

What actions should take place? (*)

What story is to be told? (*)

Correct

5. The list below provides good characteristics of a team, except which one? Marcar para Revisin

(1) Puntos

Shared responsibility

Clear roles

Clearly defined tasks

Regular participation

A single leader (*)

Correct

6. Which of the following components can help a team be successful? 1. A common goal 2. Shared responsibility 3. A project plan clearly defining roles and tasks 4. Equal participation and attendance at all meetings


1 only

1 and 2 only

1, 2, and 3 only

1, 2, 3, and 4 (*)

Correct

7. In a team assessment rubric, which of the following would earn a 4 (the highest score) in the Collaboration category? Marcar para Revisin

(1) Puntos

Rarely listens to, shares with, and supports the efforts of others. Often is not a good team player.

Almost always listens to, shares with, and supports the efforts of others. Tries to keep people working well together and mentors team members when appropriate. (*)

Usually listens to, shares, with, and supports the efforts of others. Does not cause "waves" in the group.

Often listens to, shares with, and supports the efforts of others, but not always.

Correct

8. In a team assessment rubric, which of the following would earn a 1 (the lowest score) in the attitude category? Marcar para Revisin

(1) Puntos

Is often publicly critical of the project or the work of other members of the group. Is often negative about the task(s). (*)

Is rarely publicly critical of the project or the work of others. Often has a positive attitude about the task(s).

Is never publicly critical of the project or the work of others. Always has a positive attitude about the task(s).

Is occasionally publicly critical of the project or the work of other members of the group. Usually has a positive attitude about the task(s).

Correct

9. The following provides examples of a team rubric, except which one? Marcar para Revisin

(1) Puntos

Ensures that there will be no errors in the project. (*)

Set of rules and standards.

Helps the team meet its criteria for success.

Defined by the team.

Correct

10. Why might you create a journal for programming? 1. To document new concepts and techniques. 2. To track problems in your code and how you solved them. 3. To serve as a review guide when preparing for an exam.


1 only

2 only

2 and 3 only

1, 2, and 3 (*)

Correct

11. What kind of information is useful in a programming journal? Marcar para Revisin

(1) Puntos

New programming concepts

Problems encountered and how you solved them

Both 1 and 2 (*)

Neither 1 nor 2

Correct

12. Which of the following is not a good tip for protecting information and systems (cyber security)? Marcar para Revisin

(1) Puntos

Share strong passwords. (*)

Keep anti-virus software up-to-date.

Only open emails from trusted sources.

Follow your organization's cybersecurity rules and report issues when they happen.

Correct

13. Which of the following is an example of behaving ethically online? Marcar para Revisin

(1) Puntos

Copying and pasting parts of someone elses work into your own without giving them credit.

Posting information about people at school that they would never want shared.

Pretending you are someone else in an online chat room.

Starting a cruel social network page about members of the community.

Refraining from using rude or bad language online. (*)

Correct

Section 2 - Using Alice 3 Prueba: Get Started with Alice 3: Quiz



1. What do moving objects provide to your scene? Marcar para Revisin

(1) Puntos

The sky and ground

The action (*)

The procedures

The non-moving scenery

Correct

2. In Alice, where are objects added and positioned in the scene? Marcar para Revisin

(1) Puntos

The Code editor

The gallery

The Scene editor (*)

The template

Correct

3. Which button is selected in the Alice file menu to save a version of an animation? Marcar para Revisin

(1) Puntos

File

New

Save As... (*)

Open

Correct

4. Alice 3 will periodically remind you to save your project. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

5. In Alice, once an instance is added to the scene, it cannot be deleted. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

6. When is an instance created in Alice? Marcar para Revisin

(1) Puntos

After the code is created.

After the scenario is saved.

After the folder is selected in the gallery.

After the class icon is dragged into the scene. (*)

Correct

7. Creating multiple versions of your Alice project saves time. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

8. After objects are positioned in the scene, it is wise to save multiple versions of the project, giving each version the same name. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

9. How do you create a programming instruction in Alice? Marcar para Revisin

(1) Puntos

Click and drag the desired programming instruction into the Procedures tab.

Click and drag the desired programming instruction into the myFirstMethod tab. (*)

Click and drag the desired programming instruction into the Scene editor.

Click and drag the desired programming instruction into the Functions tab.

10. How do you view the results of procedures entered in the Alice code editor? Marcar para Revisin

(1) Puntos

Select the Play button.

Select the Run button. (*)

View the procedures in the gallery.

Save the scene.

Correct

11. Copying programming instructions saves time when programming your Alice project. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

12. Which option copies a programming instruction to the clipboard? Marcar para Revisin

(1) Puntos

Clipboard

Is Enabled

Copy to Clipboard (*)

Paste

Correct

13. When something is broken or doesn't work as intended in a software program, it is referred to as a _________? Marcar para Revisin

(1) Puntos

Bug (*)

Debug

Error

Code

Correct

14. Debugging is the process of finding bugs in a software program. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

Prueba: Add and Position Objects: Quiz



1. Saved Alice projects can be opened and edited. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

2. Which of the following are ways to open an existing Alice project file after launching Alice? Marcar para Revisin

(1) Puntos


Click and drag the file from your computer into Alice 3.

Select the project from the My Projects tab. (*)

Browse for the project using the File System tab. (*)

Double-click on the project file name in the folder it is stored in on your computer.

Correct

3. In Alice, where are objects added and positioned in the scene? Marcar para Revisin

(1) Puntos

The Code editor

The gallery

The Scene editor (*)

The template

Correct

4. In Alice, there is a limit of 10 objects per scene. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

5. In Alice, what does the resize handle style do? Marcar para Revisin

(1) Puntos

Simple rotation and movement

Rotate about the x, y, and z axes

Change size of the object and stretch it along the x, y, and z axes (*)

Move along the x, y, and z axes

Correct

6. Manually manipulating an Alice object with your cursor is a way to precisely position an object. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

7. Which of the following is not an example of a one-shot procedure? Marcar para Revisin

(1) Puntos

Roll

Move

Turn

Spin (*)

Correct

8. Only acting objects have one-shot procedures. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

9. When you edit an object's properties in the Scene editor, the changes do not take effect until the Run button is clicked. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

10. One type of object property is an object's position in the scene. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

11. Which of the following is not one of the positioning axes used in Alice 3? Marcar para Revisin

(1) Puntos

x

z

w (*)

y

Correct

12. In Alice, where does an instance's axes intersect? Marcar para Revisin

(1) Puntos

At the instance's head.

At the instance's feet.

At the instance's center point. (*)

At the world's center point.

Correct

13. Which handle style would be used to rotate an object's sub-part about the x, y, and z axes? Marcar para Revisin

(1) Puntos

Rotation (*)

Default

Translation

Resize

Correct

14. Rings will appear around a sub-part indicating how you can reposition it. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

Prueba: Use Procedures and Arguments: Quiz



1. To access the Alice Code editor from the Scene editor, which button do you click? Marcar para Revisin

(1) Puntos

Access Code Editor

Code Editor

Edit Code (*)

Code

Correct

2. The Alice Scene editor contains tools to rotate the camera view. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

3. In Alice the Functions tab will display the pre-defined functions for the selected instance. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

4. The Procedures tab and the Functions tab are the two tabs available in the Alice methods panel. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

5. Which of the following instructions turns the clown fish left 5 meters? Marcar para Revisin

(1) Puntos

this.clownFish turn Left 5.0 (*)

this.clownFish turn Left 0.5

this.clownFish turn Left 5

this.Fish turn Left 5

Correct

6. Which of the following procedures turns an object to face another object? Marcar para Revisin

(1) Puntos

turn

turnToFace (*)

orientToUpright

moveToward

Correct

7. Which of the following is the default control statement in myFirstMethod? Marcar para Revisin

(1) Puntos

Count

Do Together

Do In Order (*)

Comment

Correct

8. To add a procedure to myFirstMethod, right-click on the procedure you wish to add and select the Add button. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

9. The Alice move procedure contains which arguments? Marcar para Revisin

(1) Puntos


Object

Direction (*)

Amount (*)

Text

10. An argument is a value that the procedure uses to complete its task. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

11. Programming comments do not affect the functionality of your Alice animation. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

12. What is the first step to entering comments in an Alice program? Marcar para Revisin

(1) Puntos

Type comments that describe the sequence of actions in the code segment.

Drag and drop the comments tile above a code segment. (*)

Drag and drop the comments tile below a code segment.

Select the instance from the instance menu.

Correct

13. Which of the following ways can you alter a procedure in Alice? Marcar para Revisin

(1) Puntos


Copy (*)

Count

Disable (*)

Reorder (*)

Correct

14. When you disable a programming instruction, it is still executed when you run the Alice animation. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Correct

15. After each execution of your Alice animation, what element or elements could be adjusted in your code? Marcar para Revisin

(1) Puntos

Control statements

Procedures

Arguments


Correct

16. It is important to save often while debugging your program. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Correct

Prueba: Add Rotation and Randomization: Quiz




1.

Which Alice control statement executes a set of procedures

simultaneously? Marcar para Revisin

(1) Puntos

Together

Do together (*)

Do in order

While

2.

Which Alice execution task corresponds with the following storyboard

statement?

Cat rolls to the left.

Marcar para Revisin

(1) Puntos

roll Left 1

this.Cat roll Left 1.0 (*)

Cat roll Left 1

Cat roll Right 1

3.

In Alice, control statements are dragged into the Code editor. True or

false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4.

In Alice, the while control statement executes a set of procedures a

specific number of times. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

5.

In Alice, the computer specifies the low and high range values for the

range of numbers from which to pull a randomized number. True or

false?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

6.

In Alice, which of the following arguments could be replaced with a

random number? Marcar para Revisin

(1) Puntos


Distance (*)

Object name

Duration (*)

Direction

Procedure name

Prueba: Declare Procedures: Quiz




1. In Alice, what are the forms of a scenario? Marcar para Revisin

(1) Puntos


A section of code to write.

A problem to solve. (*)

A task to perform. (*)

A person to help.

A system to start.

2. An animation gives the scenario a purpose. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

3. Breaking down a problem or process into smaller parts makes it

easier to manage. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4. A textual storyboard helps the reader understand the actions that will

take place during the animation. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

5. Which Alice tool is used to demonstrate the process flow of an

animation? Marcar para Revisin

(1) Puntos

Visual storyboard

Textual storyboard

Flowchart (*)

World

Pie chart

6. A flowchart is a useful way to illustrate how your Alice animation's

characters will look. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

7. From your Alice lessons, what does inheritance mean? Marcar para Revisin

(1) Puntos

Each class inherits the methods and properties of all classes

available in Alice.

Each superclass inherits the methods and properties of its

subclass.

Each subclass inherits the methods and properties of its

superclass. (*)

Each class has its own methods and properties that are non-

transferable to any other class.

8. Which of the following would a clown fish object in Alice inherit

from its class? Marcar para Revisin

(1) Puntos

Fins

Two eyes

Procedures

Functions


9. Procedural abstraction may need to be implemented if an object in

Alice needs to perform an action, but there isn't an inherited

procedure that accomplishes that action. True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

10.

Which of the following is a reason why procedural abstraction may

be used in programming an animation? Marcar para Revisin

(1) Puntos


The code is too long. (*)

The programmer wants to save the animation.

The code is difficult to read. (*)

The programmer wants to reuse the code. (*)

11.

In Alice, new procedures are declared in the Scene editor. True or


(1) Puntos

Verdadero

Falso (*)

12.

In Alice, you could identify when new procedures need to be

declared by reviewing the textual storyboard for the animation. True

or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

13.

In Alice, which of the following situations could benefit from

declaring a new procedure? Marcar para Revisin

(1) Puntos


An object needs to move forward, then move up 10 meters.

An object needs to say three statements.

An object does not have a default procedure for a motion, such

as swimming. (*)

Multiple objects need to use a motion, such as bunnies hopping.

(*)

A single motion, such as walking, takes up a lot of room in

myFirstMethod. (*)

14.

In Alice, if only objects that walk on four legs need to use a

procedure, in which superclass would the procedure be declared? Marcar para Revisin

(1) Puntos

Quadruped (*)

Biped

Swimmer

Prop

Prueba: Use Control Statements: Quiz




1.

In Alice, which of the following is not a control statement? Marcar para Revisin

(1) Puntos

Do In Order

While

Count

Move (*)

2.

In Alice, which control statement is used to invoke simultaneous

movement? Marcar para Revisin

(1) Puntos

Do Together (*)

Do In Order

While

Count

Variable

3.

In Alice, a walking motion for a bipedal object can be achieved

without the Do Together control statement. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

4.

In Alice, different programming is not required for different objects,

because all objects move the same way. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

5.

In Alice, when two objects are synchronized and move together, this

means that one object is: Marcar para Revisin

(1) Puntos

A vehicle of another (*)

A class of another

An object of another

An instance of another

6.

In Alice, which procedure is used to assign one object as the vehicle of

another? Marcar para Revisin

(1) Puntos

setClassVehicle

setObjectVehicle

setVehicle (*)

Vehicle

Prueba: Use Functions: Quiz

Revise las respuestas, los resultados y las puntuaciones de las

preguntas que se muestran a continuacin. Las respuestas correctas

estn marcadas con un asterisco (*).


1.

In Alice, where can you view the list

of functions available for an object? Marcar para Revisin

(1) Puntos

Class description in the Scene

editor.

Functions tab in the methods

panel. (*)

Instance pull-down menu.

Properties tab in the methods

panel.

2.

In Alice, functions ask questions

about an object. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Prueba: Use the IF and WHILE Control Structures:

Quiz




1.

In Alice, the If control structure can process one true and one false

response. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

2.

The Alice If control structure requires the false statement to be

populated. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

3.

A conditional loop is a loop that will continue forever. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

4.

In Alice, we use the While control statement to implement the

conditional loop. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Prueba: Use Expressions: Quiz




1.

An example of an expression is: Marcar para Revisin

(1) Puntos

"I feel happy."

If or Where

3x3=9 (*)

Move forward 1 meter

2.

Alice uses built-in math operators. They are: Marcar para Revisin

(1) Puntos

Add

Subtract

Multiply

Divide


3.

In Alice, which of the following programming statements moves the

alien backward the distance to the asteroid, minus 2 meters? Marcar para Revisin

(1) Puntos

x this.Alien move backward {this.Alien getDistanceTo this.Asteroid

-2} (*)

this.Alien move backward {this.Alien getDistanceTo this.Asteroid

* 2}

this.Asteroid move backward {this.Alien getDistanceTo

this.Asteorid / 2}

this.Alien move forward {this.Asteroid getDistanceTo this.Alien /

2}

4.

In Alice, which of the following programming statements moves the

cat forward the distance to the bird? Marcar para Revisin

(1) Puntos

this.Cat move forward {this.Bird getDistanceTo this.Cat / 2}

this.Cat move {this.Bird getDistanceTo this.Cat / 2}

this.Bird move forward {this.Bird getDistanceTo this.Cat}

this.Cat move forward {this.Cat getDistanceTo this.Bird} (*)

Prueba: Use Variables: Quiz




1.

Which is an example of the Boolean variable type? Marcar para Revisin

(1) Puntos

3

Hello World

True or False (*)

An object

2.

The initializer of a variable with a TextString value type could be

(select all that apply): Marcar para Revisin

(1) Puntos


"Greetings" (*)

"Howdy" (*)

"4" (*)

None of the above.

Prueba: Use Keyboard Controls: Quiz




1.

With keyboard controls, you can create Alice animations where the user

controls an object that interacts with other objects. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

2.

Event listeners look for and resopnd to the interactivity of the computer.

True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Prueba: Develop a Complete

Animation: Quiz

Revise las respuestas, los resultados y las puntuaciones de las preguntas

que se muestran a continuacin. Las respuestas correctas estn marcadas

con un asterisco (*).


1. As the Alice programmer, you render the

animation on your own. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

2. In Alice, what are the forms of a

scenario? Marcar para Revisin

(1) Puntos

(Seleccione todas las respuestas

correctas)

A section of code to write.

A problem to solve. (*)

A task to perform. (*)

A person to help.

A system to start.

3. What can be used as a guideline to ensure

your Alice animation fulfills animation

principles?

Marcar para Revisin

(1) Puntos

The Internet

An animation checklist (*)

A close friend

Other programmers

4. The animation checklist helps you

confirm that all elements of the Alice

animation are operating as expected.

True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

5. Which of the following elements of the

Alice animation should be tested before

the animation is considered complete?

Marcar para Revisin

(1) Puntos

Math calculations operate as

expected.

Objects move with smooth timing.

Comments are added to each

sequence of instructions.

Control statements are operating as

expected.

All of the above. (*)

6. The Alice animation should be tested

throughout development, not just at the

end of the animation's development. True

or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

7. What type of Alice listener object is

required to target a mouse-click on any

object in the scene, allowing the user to

drag that object around the scene when

the animation is running?

Marcar para Revisin

(1) Puntos

addDefaultManipulation procedure

addMouseListener procedure

addDefaultModelManipulation

procedure (*)

addListener procedure

8. In which Alice class is the

addDefaultModelManipulation procedure

located?

Marcar para Revisin

(1) Puntos

Object class

Scene class (*)

myFirstMethod class

Quadruped class

9. When presenting your Alice animation,

ensure that your presentation is

thoroughly tested and complete. True or

false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

10.

When presenting your Alice animation, it

is not important to give the audience a

reason to listen to the presentation. True

or false?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Prueba: Correlating Java Variables, Data Types, and

Expressions with Alice 3 Tools: Quiz




1. The list below describes variables. All are correct except which one? Marcar para

Revisin

(1) Puntos

A place in memory where data of a specific type can be stored for later

retrieval and use.

Has a unique name.

Has a type associated with it.

Arranged in rows and columns. (*)

2. Examine the following code. What are the variables? Marcar para

Revisin

(1) Puntos

args

n

i

t

All of the above are variables. (*)

3. The following are examples of what in Java?

boolean

byte

char

short

int

long

float

double

Marcar para

Revisin

(1) Puntos

Types (*)

Expressions

Variables

Specifications

4. The list below displays valid primitive types in Java, except which one? Marcar para

Revisin

(1) Puntos

boolean

String (*)

long

int

double

5. The list below displays valid arithmetic operators in Java, except which one? Marcar para

Revisin

(1) Puntos

+

/

-

*

% (*)

6. Results of arithmetic operations cannot be stored in a variable. True or false? Marcar para

Revisin

(1) Puntos

Verdadero

Falso (*)

7. Expressions with relational operators produce true and false values. True or

false? Marcar para

Revisin

(1) Puntos

Verdadero (*)

Falso

8. What is the result of the following code?

Marcar para

Revisin

(1) Puntos

x > y : x > y

x < y : x < y

x > y : 1

x < y : 0

x > y : 0

x < y : 1

x > y : true

x < y : false (*)

x > y : false

x < y : true

9. If a value has been assigned to (is stored in) a variable, that value will be

overwritten when another value is assigned to the variable using the

assignment = operator. True or false?

Marcar para

Revisin

(1) Puntos

Verdadero (*)

Falso

10

.

What is the output produced by the following code?

Marcar para

Revisin

(1) Puntos

j is 5

k is 5 (*)

j is 10

j is 5

k is 5

j is 10

k is 10

j is 15

k is 15

Prueba: Correlating Java Methods, Classes, and

Other Structures with Alice 3 Tools: Quiz




1. The list below contains method descriptions. All are correct except which

one? Marcar para

Revisin

(1) Puntos


A subprogram that acts on data and often returns a value. (*)

A set of code that is referred to by name. (*)

Can be called at any point in a program simply by utilizing its name.

Is associated with an instance variable.

2. Main is an example of what in the following code?

public static void main (String[] args) {

System.out.println{"Hello World!");

}

Marcar para

Revisin

(1) Puntos

An instance

A method (*)

A class

A variable

3. You have a Class representing Cat. A cat can meow, purr, catch mice, and so

on. When you create a new cat, what is it called? Marcar para

Revisin

(1) Puntos

A submethod

A subprogram

An instance (*)

A subclass

A variable class

4. You want a block of code to be executed only once if certain conditions are

met. What type of Java construct would you use? Marcar para

Revisin

(1) Puntos

while loop

if (*)

array

boolean

5. If you want one message to display if a user is below the age of 18 and a

different message to display if the user is 18 or older, what type of construct

would you use?

Marcar para

Revisin

(1) Puntos

for all loop

do loop

while loop

if (*)

6. If you need to repeat a group of Java statements many times, which Java

construct should you use? Marcar para

Revisin

(1) Puntos


repeat...until

do while loop (*)

while loop (*)

if

7. Review the code below.

Select the result from the following statements about what happens when the

loopVal >= 5 .

Marcar para

Revisin

(1) Puntos

The message "Printing Some Text" will be printed until loopVal is no

longer less than 5.

The variable loopVal is initialized to 0.

The condition loopVal < 5 is tested before executing anything further in

the program. (*)

The condition loopVal < 5 returns a boolean value.

None of the above.

8. Which of the following statements about methods is false? Marcar para

Revisin

(1) Puntos

Classes must be defined directly within a method definition. (*)

Methods whose return type is not void are required to include a return

statement specifying what to return.

The order in which methods are listed within the class is not important.

Java does not permit nesting one method definition within another

method's definition.

9. In Java, a function is a method that must return a value. True or false? Marcar para

Revisin

(1) Puntos

Verdadero

Falso (*)

10

.

What do lines 7, 10 and 13 do in the following code?

Marcar para

Revisin

(1) Puntos

Export files called A, B, and num3.

Create a single file containing A, B, and the value of num3.

Print "A", "B" and the value of num3 on the screen. (*)

None of the above.

11

.

Consider the following: You want to use the BufferedReader and

InputStreamReader classes to get user input from the command line. Which

one of the following import statements must you use?

Marcar para

Revisin

(1) Puntos

import java.awt.*;

x import java.buffer.*;

x import java.io.*; (*)

x import java.io.input.*;

ection 3 - Using Greenfoot

Prueba: Getting Started with Greenfoot: Quiz




1.

In Greenfoot, what happens to an instance when the Act button is

clicked in the environment? Marcar para Revisin

(1) Puntos

Only one instance moves until the pause button is clicked.

The instance executes all of the programming statements in their

class's act method once. (*)


class's act method repeatedly until the scenario is stopped.


class's act method two times until the scenario is stopped.

The class executes all of the programming statements in their

instance's act method two times until the scenario is stopped.

2.

In Greenfoot, the Run button repeatedly executes all of the

programming statements in the class's act method in sequential order

until the pause button is clicked. True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

3.

An object is an instance of a class. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4.

In Greenfoot, the class holds the general attributes of an instance, such

as the methods it inherits. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

5.

A subclass has what kind of relationship to a superclass? Marcar para Revisin

(1) Puntos

"for-what"

"a-is"

"is-a" (*)

"is-by"

6.

What does an instance of the World class do? Marcar para Revisin

(1) Puntos

Provide the acting objects for the scenario.

Provide the background scenery for the scenario. (*)

Provide the superclass for acting objects.

Provide the source code for instances.

7.

In Greenfoot, after a subclass is created, what has to occur before

instances can be added to the scenario? Marcar para Revisin

(1) Puntos

Creation of an instance

Compilation (*)

Creation of source code

Editing of source code

8.

In Greenfoot, after a subclass is created and compiled, you cannot edit

the subclass's source code. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

Prueba: Using Methods, Variables and Parameters:

Quiz




1. In Greenfoot, the move method expects what type of information in

its parameters? Marcar para Revisin

(1) Puntos

Degrees to turn

True or false response

String statement

Integer of steps to move forward (*)

2. In Greenfoot, the turn method expects what type of information in its

parameters? Marcar para Revisin

(1) Puntos

Degrees to turn (*)

True or false response

String statement

Integer of steps to move forward

Parameter void

3. Using the Greenfoot IDE, only five instances can be added to a

scenario. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

4. In Greenfoot, the instance has a source code editor. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

5. In the Greenfoot IDE, an instance's position is on the x and y

coordinates. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

6. In Greenfoot, which of the following options are not possible when

associating an image file with an instance? Marcar para Revisin

(1) Puntos

Add a video (*)

Draw an image

Import an image

Select an image from the Greenfoot library

7. An instance variable can be saved and accessed later, even if the

instance no longer exists. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

8. A variable is also known as a ____________. Marcar para Revisin

(1) Puntos

Instance

Class

Field (*)

Syntax

Method

9. In Greenfoot, the body of the method is located in between which of

the following characters? Marcar para Revisin

(1) Puntos

Parnetheses ( )

Curly brackets { } (*)

Square brackets [ ]

Asterisks **

10.

In Greenfoot, methods can be called in the act method. When the Act

button is clicked in the environment, the methods in the method body

of the act method are executed. True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

Prueba: Working with Source

Code and Documentation: Quiz

Revise las respuestas, los resultados y las puntuaciones de las

preguntas que se muestran a continuacin. Las respuestas correctas

estn marcadas con un asterisco (*).


1.

The list below provides actions you

can perform in the Greenfoot code

editor except one. Which one should

Marcar para Revisin

(1) Puntos

be removed?

Write source code to tell the

class how to act in the scenario.

Review the class's inherited

methods and properties. (*)

Write and edit source code.

Write and edit comments.

2.

The list below displays components

of the Greenfoot source code editor

except one. Which one should be

removed?

Marcar para Revisin

(1) Puntos

Documentation

Comments

Method body

Instance creator (*)

Class description

3.

In a Greenfoot if-statement, the

programming statements that the if-

statement executes are written in

curly brackets. True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4.

An if-statement requires which type

of information returned from the

condition?

Marcar para Revisin

(1) Puntos

Integer

Action

True or false (*)

Method

5.

In Greenfoot, which of the

following methods display an

object's orientation?

Marcar para Revisin

(1) Puntos

(Seleccione todas las respuestas

correctas)

void move()

int getRotation() (*)

int getX() (*)

void turn()

6.

In Greenfoot, which of the

following methods return the world

that the instance lives in?

Marcar para Revisin

(1) Puntos

World getClass()

World getWorld() (*)

getRotation()

getXY()

Prueba: Developing and Testing an Application: Quiz




1.

Which of the following is an incorrectly written programming

statement? Marcar para Revisin

(1) Puntos

move(): (*)

move(2);

turn(25);

turn(2);

2.

Which of the following features of Greenfoot will teach you how to

identify bugs in your program? Marcar para Revisin

(1) Puntos

Code editor

Compilation (*)

Instance creation

Documentation

3.

In object oriented programming, programmers analyze a problem and

create objects to solve the problem. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4.

From your Greenfoot lessons, Which of the following statements is

most correct? Marcar para Revisin

(1) Puntos

My program is complete when it compiles.

My program is complete when I add music to it.

My program is complete when it runs and I've tested the code. (*)

My program is complete when I add images to it.

Prueba: Using Randomization and Understanding

Dot Notation and Constructors: Quiz




1. Which of the following Greenfoot methods returns a random number

between 0, up to and including 10,000? Marcar para Revisin

(1) Puntos

Greenfoot.getRandomNumber(10,000)

Greenfoot.getRandomNumber(10,001) (*)

Greenfoot.getRandomNumber(9,999)

Greenfoot.getRandomNumber(0-10,000)

2. What does the following Greenfoot programming statement tell the

class to do?

if (Greenfoot.getRandomNumber(100) < 6) { turn(18); }

Marcar para Revisin

(1) Puntos

If a random number is returned that is greater than 6, turn 18

degrees.

If a random number is returned that is less than 6, move 18 steps.

If a random number is returned that is less than 6, turn 18

degrees. (*)

Turn 6 degrees, then turn 18 degrees.

3. Which of the following comparison operators represents "greater

than or equal"? Marcar para Revisin

(1) Puntos

>

>= (*)

= =

! =

4. In Greenfoot you can use comparison operators to compare a

variable to a random number. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

5. An if-else statement executes its first code block if a condition is

true, and its second code block if a condition is false, but not both.

True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

6. The first step to executing an if-else statement is to:____________. Marcar para Revisin

(1) Puntos

Execute the if statement

Execute the else statement

Evaluate the class

Evaluate the condition (*)

7. The list below displays characteristics of a Greenfoot world

constructor, except for one. Which one should be removed? Marcar para Revisin

(1) Puntos

Defines the instance's size and resolution.

Has a void return type. (*)

Has no return type.

Has the same name as the name of the class.

Executed automatically when a new instance of the class is

created.

8. In Greenfoot, which keyword calls the World superclass? Marcar para Revisin

(1) Puntos

world

constructor

super (*)

addObject

new

9. In Greenfoot, which of the following is the correct notation for

calling a method for an instance of a class? Marcar para Revisin

(1) Puntos

object-name.method-name(parameters); (*)

class-name.method-name(parameters);

Method-name.object-name(parameters);

Method-name.object-name;

10.

In Greenfoot, a semicolon is not necessary at the end of a method

that uses dot notation. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

11.

In Greenfoot, the origin of the world coordinate system (0,0) starts in

the center of the world. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

12.

Which keyword indicates that Greenfoot needs to create a new

object? Marcar para Revisin

(1) Puntos

new (*)

addObject

newObject

newClass

Prueba: Defining Methods: Quiz




1.

In the Greenfoot IDE, any new methods you create are written in the

class's source code, below the act method. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

2. In reference to Greenfoot, if the following method was defined in a Marcar para Revisin

superclass,

public void lookForEdge(){

...

}

all subclasses of the superclass will inherit the method.

True or false?

(1) Puntos

Verdadero (*)

Falso

Prueba: Using Sound and Keyboard Control: Quiz




1.

In Greenfoot, the sound file must be saved in the scenario and written

in the source code for it to play. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

2.

You cannot record unique sounds in Greenfoot. You can only use the

sounds that are stored in the Greenfoot library. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

3.

What type of parameter does the keyDown method expect? Marcar para Revisin

(1) Puntos

The password that will protect the class.

The name of the key to press on the keyboard. (*)

The name of the class that will use the key.

The name of the sound file to play when the key is pressed.

Prueba: Creating a World, Animating Actors, and

Ending a Game: Quiz




1. In Greenfoot, which method body correctly adds an instance of the

World to a scenario, with size x = 300 y = 300 and a resolution of 2

pixels per cell?

Marcar para Revisin

(1) Puntos

world(300, 300, 2);

Super(300,300,2);

super(2,300,300);

super(300,300,2); (*)

2. A constructor is executed once in the course of a Greenfoot scenario.


(1) Puntos

Verdadero

Falso (*)

3. Which of the following Greenfoot programming statements creates a

new instance of Duke, and places him at x = 140, y = 130 in the

world?

Marcar para Revisin

(1) Puntos

addObject(new( ), 140, 130);

addObject(new Duke( ), 140, 130); (*)

new(addObject(Duke ), 140, 130);

new(Duke( ) 140, 130);

4. Which keyword is used to add an actor to a Greenfoot world? Marcar para Revisin

(1) Puntos

addObject

add

new (*)

super

5. Which of the following is the correct syntax for declaring a variable

in Greenfoot? Marcar para Revisin

(1) Puntos


public variable-type variable-name; (*)

private variable-name, variable-type;

public variable-name variable type;

private variable-type variable-name; (*)

6. In Greenfoot, what is the purpose of the variable type? Marcar para Revisin

(1) Puntos

Defines the access specifier used with the variable.

Defines what kind of data to store in the variable. (*)

Defines which class the variable is associated with.

Defines the instance that the variable is associated with.

7. Which operator is used to test if values are equal? Marcar para Revisin

(1) Puntos

<

== (*)

>

!>

8. In Greenfoot, the == operator is used to test if two values are equal.


(1) Puntos

Verdadero (*)

Falso

9. The GreenfootImage class enables Greenfoot actors to maintain their

visible image by holding an object of type GreenfootImage. True or

false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

10.

What does the following programming statement mean?

image1 = new GreenfootImage("duke12.png);

Marcar para Revisin

(1) Puntos

The variable, image1, cannot use the image file, duke12.png.

The image file, duke12.png, has just been drawn and imported

into the scenario.

The image file, duke12.png, is assigned to the variable image1.

(*)

Image files from 1-119 are associated with image1.

11.

In Greenfoot, which method is used to end a game? Marcar para Revisin

(1) Puntos

Class.stop( );

Greenfoot.stop( ); (*)

Duke.stop( );

Game.stop(1);

12.

Where can we review the available classes and methods in

Greenfoot, including the stop method? Marcar para Revisin

(1) Puntos

Class menu

Object menu

Class Application Programmers' Interface (API)

Greenfoot Application Programmers' Interface (API) (*)

Prueba: Understanding Abstraction: Quiz




1.

From your Greenfoot lessons, which of the following are examples of

when abstraction techniques are used? Marcar para Revisin

(1) Puntos

Assigning a sound file to an instance.

Assigning a keyboard key to an instance.

Assigning an image file to an instance.


2.

Abstraction occurs in many different ways in programming. True or


(1) Puntos

Verdadero (*)

Falso

Prueba: Using Loops, Variables, and Strings: Quiz



Section 1

(Responder todas las preguntas de esta seccin)

1. From your Greenfoot lessons, which of the following are examples

of actions that can be achieved using the while loop? Marcar para Revisin

(1) Puntos

Create 50 instances of the Duke class.

Call the move method 1 million times.

Call the move and turn methods 10 times.

Create 100 instances of an Actor subclass.


2. Which of the following is not a component of a while loop? Marcar para Revisin

(1) Puntos

Local variable

Control operator

Loop variable

if statement (*)

while keyword

3. If an end to a while loop is not established, what happens? Marcar para Revisin

(1) Puntos

The code stops after 10 executions.

The code stops after 20 executions.

The condition becomes false after one minute of executions.

The code executes and does not stop. (*)

4. Infinite loops are a common cause of errors in programming. True or


(1) Puntos

Verdadero (*)

Falso

5. An array is an object that holds multiple methods. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

6. In Greenfoot, arrays are a way to hold and access multiple variables,

and assign different values to new instances each time the while loop Marcar para Revisin

executes and produces a new instance. True or false? (1) Puntos

Verdadero (*)

Falso

7. Which of the following Greenfoot logic operators represents "not"? Marcar para Revisin

(1) Puntos

&

&&

=

! (*)

8. In the Greenfoot IDE, what does the AND operator (&&) do? Marcar para Revisin

(1) Puntos

Compares two boolean values, and returns a boolean value

which is true if and only if both of its operands are true. (*)

Compares two boolean values, and returns a boolean value

which is true if and only if one of its operands are true.

Compares two boolean values and returns a boolean value which

is true if either one of the operands is true.

Compares two boolean variables or expressions and returns a

result that is true if either of its operands are true.

9. In Greenfoot, a local variable is declared at the beginning of a class.


(1) Puntos

Verdadero

Falso (*)

10.

In Greenfoot, what types of values cannot be stored in a local

variable? Marcar para Revisin

(1) Puntos

Class name

Objects

Integers

World name

Method (*)

11.

In Greenfoot, string concatenation reduces the number of redundant

characters or phrases you need to type into each array. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

12.

Which of the following is an example of string concatenation? Marcar para Revisin

(1) Puntos

Instead of entering ".png" after each image file name, add &&

".png" after the imageName value in the programming statement.

Instead of entering ".png" after each image file name, add =


Instead of entering ".png" after each image file name, add +


(*)

Instead of entering ".png" after each image file name, add ".png"

after the imageName value in the programming statement.

Prueba: Creating an Inventory of Java

Fundamentals: Quiz




1.

From your Greenfoot lessons, the __________ control structure is used to compare and make a

decision. Marcar para Revisin

(1) Puntos

Conditional (*)

Repetition

Obsolete

Rewind

2.

From your Greenfoot lessons, the __________ control structure is often referred to as loops. Marcar para Revisin

(1) Puntos

Conditional

Repetition (*)

Obsolete

Rewind

3.

The construct listed below is described as a __________________.

/**

Marcar para Revisin

(1) Puntos

* Get value and store in variable

*/

Method

Comment (*)

Variable Assignment

Instruction

4.

The construct listed below is described as a __________________.

termvar = scanterm.nextLine();

Marcar para Revisin

(1) Puntos

Method

Comment

Variable Assignment (*)

Instruction

5.

What is wrong with the following line of code?

System.out.println(termvar+; +termdef);

Marcar para Revisin

(1) Puntos

There are parenthesis instead of brackets.

There are parenthesis instead of curly braces.

There are single quotes instead of double quotes. (*)

The command is incorrectly capitalized.

Nothing is wrong with the code.

6.

Which line of code contains a syntax error?

Marcar para Revisin

(1) Puntos

2

3 (*)

4

5

6

7.

In which step to create a Greenfoot game do you find and resolve errors in the game? Marcar para Revisin

(1) Puntos

Define the problem

Design the solution

Program the solution

Test the solution (*)

8.

In which step to create a Greenfoot game is the solution implemented? Marcar para Revisin

(1) Puntos

Define the problem

Design the solution

Program the solution (*)

Test the solution

9.

From your Greenfoot lessons, which of the following are examples of Q/A test variations? Marcar para Revisin

(1) Puntos

Change the environment, change the programmer, change the execution

Change the execution, change the data, change the environment (*)

Change the environment, change the execution, change the language

All of the above.

. 10The variations listed below are examples of changing what part of Q/A testing?

Input numbers when characters are expected

Input characters when numbers are expected

Input symbols

Marcar para Revisin

(1) Puntos

Change the environment

Change the execution

Change the data (*)

None of the above

Prueba: Java Fundamentals Midterm Exam




1. Before you can begin to develop the animation storyboard, what must be defined? Marcar para Revisin

(1) Puntos

The code

The debugging process

The scenario (*)

The control statements

2. From your Alice lessons, inheritance means that the superclass inherits its traits from the subclass. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

3. In Alice, objects inherit the characteristics of their: Marcar para Revisin

(1) Puntos

Code

Project

Class (*)

Program

4. From your Alice lessons, what is a one-shot procedural method? Marcar para Revisin

(1) Puntos

A procedure that is invoked when the Run button is clicked.

A procedure that is used to make a scene adjustment. (*)

A procedure that is dragged into the Code editor.

A procedure that is used to launch the program.

5. In Alice, the procedures' arguments allow the programmer to adjust the object, motion, distance amount, and time duration. True or


(1) Puntos

Verdadero (*)

Falso

6. Which of the

following actions

would require a

control statement

to control

animation timing?


A biped object walking. (*)

A rock object turning.

A fish swimming. (*)

A bird flying. (*)

7. In Alice, a computer program requires functions to tell it how to perform the procedure. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

8. An Alice event is considered what? Marcar para Revisin

(1) Puntos

A party with at least 20 people.

An object's orientation.

Error handling.

A keystroke or mouse click. (*)

9. Which of the following statements about methods is false? Marcar para Revisin

(1) Puntos

Classes must be defined directly within a method definition. (*)

Methods whose return type is not void are required to include a return statement specifying what to return.

The order in which methods are listed within the class is not important.

Java does not permit nesting one method definition within another method's definition.

10. What do lines 7, 10 and 13 do in the following code?

Marcar para Revisin

(1) Puntos

Export files called A, B, and num3.

Create a single file containing A, B, and the value of num3.

Print "A", "B" and the value of num3 on the screen. (*)

None of the above.

11. From your Alice lessons,

which programming

instruction represents the

following movement: A

turtle moves forward half

the distance to the flower.

Marcar para Revisin

(1) Puntos

this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 2.0 (*)

this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 0.5

this.Turtle move Forward this.Turtle getDistanceTo this.Flower / 1.0

this.Turtle move Forward this.Turtle getDistanceTo this.Flower * 2

12. A loop can be infinite (continue forever) or conditional (stops upon a condition).


(1) Puntos

Verdadero (*)

Falso

13. In Alice, we can avoid object collision using what? Marcar para Revisin

(1) Puntos

Slowing movements down.

Using math operators. (*)

Downloading the Alice 3 collision detector app.

Using object detection.

14. In Alice, which of the following programming statements moves the butterfly

forward, double the distance to the tree? Marcar para Revisin

(1) Puntos

this.Butterfly move forward {this.Butterfly getDistanceTo this.Tree * 2} (*)

this.Butterfly move backward {this.Butterfly getDistanceTo this.Tree * 2}

this.Butterfly move backward {this.Butterfly getDistanceTo this.Tree / 2}

this.Butterfly move forward {this.Butterfly getDistanceTo this.Tree / 2}

15. From your Alice lessons, what does the Count control statement do? Marcar para Revisin

(1) Puntos

Executes statements a random number of times.

Executes statements simultaneously.

Executes statements a specific number of times. (*)

Executes statements while a condition is true.

16. From your Alice lessons, if

you examined a science

process that had many steps,

which of the following is a

way that you could apply

functional decomposition to

this process?

Marcar para Revisin

(1) Puntos

1. Present the problem as an animation.

2. Further refine and define the tasks needed for each high level step.

3. Identify the high level steps for the science concept.

1. Identify the detailed steps for the science concept. No correcta



1. Identify the high level steps for the science concept.

2. Further refine and define the tasks needed for each high level step.

3. Present the problem as an animation. (*) correcta

17. From your Alice lessons, the "Checklist for Animation Completion" does not ask

questions about the scenario and storyboards, because these are not valid parts of

the animation creation process. True or false?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

18. Which of the following is not a reason for why comments are helpful in an Alice

program? Marcar para Revisin

(1) Puntos

Comments change the functionality of the program. (*)

Comments describe the intention of the programming instructions.

Comments can outline the programming instructions.

Comments help during debugging and testing so the tester knows how the

programming statements are supposed to work.

19. If the value already exists in the variable it is overwritten by the assignment

operator (=). True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

20. Which of the following is not a valid primitive type in Java? Marcar para Revisin

(1) Puntos

boolean

String (*)

long

int

double

21. From your

Alice

lessons,

variables

are fixed

and cannot

be

changed.

True or

false?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

22. Which of the following programming instructions commands the fish to continuously move forward a random speed

between 0.5 and 1.0 meters, minus 0.25 meters, until it collides with the shark? Marcar para Revisin

(1) Puntos

(*)


23. In Greenfoot, what happens if the condition is false in an if-statement? Marcar para Revisin

(1) Puntos

The programming statements are executed.

The if-statement is executed.

The act method is deleted.

The programming statements are not executed. (*)

24. From your Greenfoot lessons, what are the ways that you can view a class's methods? Marcar para Revisin

(1) Puntos


In the scenario

In the class's documentation (*)

By right-clicking on an instance (*)

In the Greenfoot gallery

25. Which of the following type of audience should you ask to play your Greenfoot game during the testing phase? Marcar para Revisin

(1) Puntos

Testing

Target (*)

Primary

Programmer

26. When

designing a

game in

Greenfoot, it

helps to

define the

actions that

will take

place in a

textual

storyboard.

True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

27. What type of parameter does the Greenfoot playSound method

expect? Marcar para Revisin

(1) Puntos

name of a sound file (as String) (*)

name of an integer (as int)

name of a keyboard key (as String)

name of the class (as String)

28. From your Greenfoot lessons, the reset button resets the

scenario back to its initial position. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

29. From your Greenfoot lessons, a scenario is a game or

simulation implemented in Greenfoot. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

30. Use your Greenfoot knowldege: Abstraction occurs in many

different ways in programming. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

31. In Greenfoot, the

properties of an

instance can be

modified in the

documentation.

True or false?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

32. What type of Greenfoot method would be used to turn an

object? Marcar para Revisin

(1) Puntos

orientTo( );

turnAround( );

move ( );

turn( ); (*)

33. In the Greenfoot IDE, which type of variable allows

instances to store information? Marcar para Revisin

(1) Puntos

Method variable

Instance variable (*)

Class variable

World variable

34. From your Greenfoot lessons, to view the methods that a

class inherits, open the code editor and select

documentation from the Tools menu. True or false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

35. In Greenfoot, a local variable is declared at the beginning

of a class. True or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

36. In Greenfoot,

what happens

if the end to a

while loop

isn't

established?

Marcar para Revisin

(1) Puntos

The code will keep executing and will never stop. (*)

The code will execute once and then stop, due to controls

in Greenfoot.

The code will prompt you to enter a loop counter.

The code will not execute.

37. From your Greenfoot lessons, which symbol represents string

concatenation? Marcar para Revisin

(1) Puntos

Symbol &

Symbol <

Symbol =

Symbol + (*)

38. In a Greenfoot loop constructor, which component is a

counter that controls how many times the statement is

executed?

Marcar para Revisin

(1) Puntos

Local loop

While loop

Loop variable (*)

Condition

39. In Greenfoot, objects are created from: Marcar para Revisin

(1) Puntos

Methods

Classes (*)

Signatures

Parameters

40. From your Greenfoot lessons, what is incorrect in this code

example:

setLocation(getX(), (int) (altitude);

Marcar para Revisin

(1) Puntos

Spacing

Capitalization

Parenthesis (*)

Comma

41. From your

Greenfoot

lessons,

which of the

following is

an example

of changing

test data

during a

Q/A test

cycle?

Marcar para Revisin

(1) Puntos

Use a different operating system.

Use the mouse instead of the keyboard.

Use symbols instead of numbers. (*)

All of the above.

42. In Greenfoot, a way to have all subclasses of a superclass inherit

a method is by adding the method to the superclass. True or

false?

Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

43. In Greenfoot, defined methods must be used immediately. True

or false? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

44. Use your Greenfoot knowledge to answer the question: Where

are defined variables typically entered in a class's source code? Marcar para Revisin

(1) Puntos

In the defined method in the source code.

Between the constructors and methods in the source code.

After the constructors and methods in the source code.

At the top of the source code, before the constructors and

methods. (*)

45. In Greenfoot, which method is used to add a new instance to a

scenario when the world is initialized? Marcar para Revisin

(1) Puntos

addClass

addWorld

addObject (*)

addInstance

46. From your

Greenfoot

lessons,

where

should the

stop method

be inserted

into the

source

code?

Marcar para Revisin

(1) Puntos

In the defined method.

In the act method. (*)

In the import statement.

In the class header.

47. From your Greenfoot lessons, which type of constructor can be

used to automate creation of Actor instances? Marcar para Revisin

(1) Puntos

Animal

World (*)

Actor

Vector

48. From your Greenfoot lessons, which axes define an object's

position in a world? Marcar para Revisin

(1) Puntos


x (*)

z

y (*)

w

49. In Greenfoot, you can use comparison operators to compare a

variable to a random number. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

50. Use you Greenfoot knowledge: What range of numbers does the

following method return?

Greenfoot.getRandomNumber(30)

Marcar para Revisin

(1) Puntos

A random number between 1 and 30.


A random number between 0 and 29. (*)


Section 4 - Using Eclipse

Prueba: Compiling with Eclipse - A First Program:

Quiz




1. When Eclipse launches, the Welcome page displays. Once this page is

closed you cannot return to the resources available on this page. True or

False?

Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

2. Eclipse provides an edit area to help you navigate a hierarchy of information.

True or False? Marcar para Revisin

(1) Puntos

Verdadero

Falso (*)

3. Eclipse provides views to help you navigate a hierarchy of information. True

or False? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

4. Tabs are used when more than one file is open in the edit area. True or

False? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

5. A perspective is described as: Marcar para Revisin

(1) Puntos

A combination of views and editors (*)

A combination of views and windows

A combination of editor tabs

None of the above

6. The ______________ is the location into which you will store and save your

files. Marcar para Revisin

(1) Puntos

Perspective

Workspace (*)

Editor

None of the above

7. A workspace can have one or more stored projects. True or false? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

8. Identify the components in the image below.

Marcar para Revisin

(1) Puntos

A-Main Method, B-Class, C-Package

A-Class, B-MainMethod, C-Package

A-Package, B-Main Method, C-Class (*)

None of the above

9. In Eclipse, when you run a Java Application, the results may be displayed in

the Console View. True or False? Marcar para Revisin

(1) Puntos

Verdadero (*)

Falso

10.

A _______________ is used to organize Java related files. Marcar para Revisin

(1) Puntos

Project

Workspace

Package (*)

Collection

11.

You need to _______________ Java code to generate

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