COMP 110Introduction to Programming

Jingdan ZhangJune 20, 2007

MTWRF 9:45-11:15 amSitterson Hall 014

What Is Programming?• Crafting a set of instructions to solve a

problem• Must be clear and well-structured, analogy:

cooking recipes– Ingredients (potatoes, banana, tofu, milk)– Procedures (cut, fry, stew, mix)– Results (potato banana ice cream)

• Who “reads” computer programs?– The physical computer– Humans (yourself, your coworkers, your instructor)– Another computer program (Zen)

• You don’t need a computer to do programming, pen and paper will do

About COMP 110

• Learn how to develop algorithms

• Learn the basic components of computer programming– can be applied to any programming language

(Java, C++, etc.)

• Is COMP 110 right for you?– Require basic computer skills– no programming knowledge assumed– Math, algebra

Is COMP 110 Right for You?• Do you have web programming experience with

Java, perl, php?• Experience with “classes” in C++?• Some experience with Matlab, Mathematica?• Do you know what is meant by Object, method,

member variable, recursion, array, sorting algorithms?

If yes to any, you may be ready for COMP401 instead.

About Me

• UNC grad student, will start 5th year

• Research interests - computer vision, machine learning,

graphics

• http://www.cs.unc.edu/~zhangjd

• zhangjd@cs.unc.edu

• Sitterson 111, 919-538-4661

About You

• Introduce yourself to the class - name - year - major - something special about you …

Course Web Page

• http://www.cs.unc.edu/~zhangjd/comp110/index.html

• UNC Blackboard System - http://blackboard.unc.edu - Course Documents - Assignments - Checking Grades

Weekly Schedule

• Lecture– MTWRF, 9:45-11:15 am, Sitterson SN 014– Please bring your notebook computer

• Office Hours– Before class: MTWRF 9:00-9:45am,

Sitterson SN 014– After class: MTWR 2:00-3:00PM

Lecture Format

• Review previous material– questions

• Present new material

– Notebook computers closed please

• In-class exercises and programming– use notebook computer – work individually or in groups

• Lecture notes are posted, but may be modified shortly after lecture. .

Textbook

RequiredJava Programming: From Problem Analysis to Program DesignD. Malik

Either the 2nd or the 3th edition can be used. The 2nd edition: ISBN 0-619-06497-8

The 3rd edition: ISBN 1-4239-0135-5

Software

• Java SDK (JDK)• jGRASP

– Please install them on your laptop• See the homework 0

• We’ll do a tour later...

Grades

• Programming Assignments 45 %– both programs and book

• Quizzes(3) 10 %• Midterm Exam 15 %• Final Exam 25 %• Class Participation 5 %• Challenge problems extra 20%

Assignments

• Homework assignments from textbook– practice for exams

• Programming assignments– May need to demonstrate the executable code

by yourself – budget 8-10 hours per program

• design, code, debugging

– start early!

• Deadline– For assignments needed to turn in, the

deadlines are due at 11:59pm on the due date– For assignments needed to demonstrate, the

deadlines are before the demo time.

Submitting Assignments• All programming assignments will be submitted

through Blackboard– Include the demo codes– I still can not access blackboard, more details

about in next lecture

• All assignments must include the honor code pledge– I need signed pledge on paper.– Make it the first thing you put onto any assignment.

• http://cs.unc.edu/~Zhangjd/comp110/assignments.html

Collaborating• Don’t cheat!

– You can• talk to each other about the lecture topics• talk about assignment requirements• work in groups during recitation on recitation

assignments only– You should

• do your own assignments -- design and code– You should never

• talk to each other about assignment solutions• share code -- it is easy to detect and we

will prosecute• Pledge Form

Late Policy

• Late submission - if less than 24hrs : 25% off - if less than 48hrs : 50% off - not accepted after 48 hrs

Challenge problems

• Beyond the the comp110 requirement• To give motivations and provide more

insight in programming.• To encourage more interaction among us.• Any progress on these questions will be

credited, maximum 20%.• Welcome teamwork, the gained score will be

evenly distributed to team member• The problems will be posted in the next

week.– Please send in your problems, let us solve it

together.

Before Coding

• Before you open jGRASP and start coding– read the assignment– think about what the assignment is asking

for– review lectures and examples on the topic– write (yes, on paper) your plan for

completing the assignment (i.e., your algorithm)

• talk to/email me if you’re having trouble at this point

Backup Your Work!

• Backup your work frequently!

• You will lose something at some point– you might have to learn the hard way

• Use your AFS(Andrew File System) space– use of AFS space is not required, but is

recommended– you can install the AFS Client to your notebook

Help!

• For help on general computer problems, including getting AFS enabled on your laptop or at home

• For help on the course related problems, ask the instructor

http://help.unc.eduhttp://help.unc.edu962-HELP962-HELP

Sending Email to me

• Put COMP 110 in subject line

• For example:– COMP 110, I’m lost– COMP 110, This course is too easy

Homework 0

• Install JDK & jGRASP– Sign the paper pledge form– Answer the answers in the survey – Install Download Java SDK and jGrasp– Read jGrasp tutorial and run sample

Java program• Due tomorrow

– If you cannot install or run JDK or jGrasp, bring your notebook computer tomorrow to the class.

Introduction of jGrasp

Next Class

• Overview of computers and programming languages

• Turn in pledge form and the survey