Output Question

8/9/2019 Output Question

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Pre & Post increment

increment & Decrement Operators

!""

Post#increment $ add % to the value'he value is returned beforethe increment is made( eg

! ) %* + ) !""*'hen + will hold % and ! will hold ,

!##

Post#decrement $ subtract % -rom the value

'he value is returned beforethe decrement is made( eg $ ! ) %* + ) !##*'hen + will hold % and ! will hold .

""!

Pre#increment $ add % to the value'he value is returned afterthe increment is made( eg

! ) %*

+ ) ""!*'hen + will hold , and ! will hold ,

##!

Pre#decrement $ subtract % -rom the value'he value is returned afterthe decrement is made( eg

! ) %* + ) ##!*

'hen + will hold . and ! will hold . 2


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***Pre & Post incrementexample

Ques 1: without using variables to holdincremented or decremented value

int sum% ) /*sum%""*

j'e!t0ield%set'e!t122"sum%3*

""sum%*j'e!t0ield,set'e!t122"1""sum%33*

4ns%56

int sum% ) /*int n%)sum%""*

j'e!t0ield%set'e!t122"n%3*int n,)""sum%*

j'e!t0ield,set'e!t122"1""n,33*

Ques 2: Using variables to holdincremented or decremented value

4ns,/6

3


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Pre incrementOutput 7uestion /88 value o- -or loop will be incrementedor decremented once loop getscompletedint x!"#$

%orx"1$x'"($))x +

,!stem-out-println. x is a%ter loop.). .)x$ !"))x$

,!stem-out-println. !"))x x is .). .)x$ ,!stem-out-println. !"))x . ).

.)!$//!$

,!stem-out-println. / /! . ). .)!$ 0 ,!stem-out-println.x is.)x$

,!stem-out-println!$


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ns 3 :

x is a%ter loop 1!"))x x is 2

!"))x 2/ /! 1x is a%ter loop 3!"))x x is !"))x / /! 3

x is a%ter loop (!"))x x is !"))x / /! (x is4(

(


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Post increment

Ques int x!"#$

%orx"1$x'"($x)) +

,!stem-out-println. x is a%terloop. ). .)x$

!"x))$,!stem-out-println. !"x)) .

). .)!$// !$

,!stem-out-println. / /! . )..)!$

0 ,!stem-out-println.x is.)x$ ,!stem-out-println!$


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ns :

x is a%ter loop 1!"x)) 1/ /! #

x is a%ter loop 3!"x)) 3/ /! 2x is a%ter loop (!"x)) (/ /!

x is4

4


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9:

int sum% ) /*

int sum,)sum%"" ",*j'e!t0ield%set'e!t122"sum,3*""sum%*

j'e!t0ield,set'e!t122"1""sum%33*

5


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4ns::6

6


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96

int val%):(val,)%.*-or1int i)%*i;)/*i""3(> "##val,3*s+stemoutprintln1= ="val,## ">(> " "

"val%3*

1#


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4ns:: (??(@

@(@@(??(::(%%

11


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substring in 7avaOutput 7uestion,tring str " .li%e is beauti%ul8$,tring val1 " str-substring#1#$

,tring val2 " str-substring#$,tring val3 " str-substring5$,tring v3"str-substring#$,tring v"str-substring1$ ,!stem-out-println.substr at #1# position is. )..)val1$ ,!stem-out-println.substr at o is. ). .)val2$ ,!stem-out-println.substr at 5 is. ). .)val3$ ,!stem-out-println.substr at o is. ). .)v3$ ,!stem-out-println.substr at 1 is. ). .)v$

. % , / 5 : 6 @ A ? %.

%%

%,

%/

%5

%:

%6

%@

l i % e i s b e a u t i % u l

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substring in 7ava

nssubstr at #1# position is li%e is besubstr at o is li%e isubstr at 5 is beauti%ulsubstr at o is li%e is beauti%ulsubstr at 1 is i%e is beauti%ul

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9ested loop

;he placing o% one loop inside the bod! o% another loop iscalled nesting-


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-or1num, ) .* num, ;) /*num,""3< -or1num% ) .* num% ;) ,*num%""3 < S+stemoutprintln1num,

" 2 2 " num%3*

Cemor+ Screen

int num, int num%

. .

%

,

/ end loop

% .

%

,

/ end loop

, .

%

,

/ end loop

/ .

%

Working o- nested loop

1(


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9ested loop

Ques

%orint i"1$i'"$i)) + %orint 7"1$7'"i$7)) + ,!stem-out-print. .)i$

0 ,!stem-out-println$ 0

ns :

12 23 3 3

1


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9ested loop

Ques

%orint i"1$i'"$i)) + %orint 7"1$7'"$7)) + ,!stem-out-print. .)i$


ns :

1 1 1 12 2 2 23 3 3 3

14


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9ested loop

Ques

%orint i"1$i'"$i)) + %orint 7"$7?"i$7// + ,!stem-out-print. .)7$


ns :

321323

16


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9ested loop

Ques ;@A ABU@,DE%orint i"2$i'"($i))+

,!stem-out-printi) ."?.$%orint 7"1$7'"3$7))

+

,!stem-out-printi*7 )..$0

,!stem-out-println$

0

2#


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9ested loop

ns :

2"?2

3"?36"?512("?(1#1(

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Butput using while loop

Ques :

int 7"1s"#$ while7'( + ,!stem-out-print7) .).$

s"s)7$ 7"7)7F3$0 ,!stem-out-println.". )s$

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23

4ns 6$

%","5")@


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ns-

11

(

11

2(


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Butput using do while loopQues :

int i7n$ n"#$i"1$ do+ n))$ i))$

0whilei'"($ ,!stem-out-printlnn$ ,!stem-out-printlni$

ns

(

2


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EFCP Statement

24

1i3 break $ 'he break is used to break -rom an enclosingdo(while-or(or switch statement

S+nta!$break*

()4 break statement skips the rest o- the loop and jumpsover to the statement -ollowing the loop

()G- a break statement appers in a nested loop ( then itcauses an e!it -rom onl+ the ver+ loop it appears in


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brea= statement

int i c$

int a"Gnteger-parseGnt7;extEield1-get;ext$

int b"Gnteger-parseGnt7;extEield2-get;ext$

%ori"#$i'2#$i))

+i%b""#

brea=$

else

c"aHb$

,!stem-out-println.Quotient ".)c$

0

. .25


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Jump ,tatement

ii continue: ;he continue statement stops the execution o% thecurrent iteration and causes control to begin with next iteration-

,!ntax:

continue$

Eor the %or loop continue causes the nex iteration b! updating thevariable and then causing the test expressionKs evaluation -

Eor the while and do while loops the program control passes to theconditional tests-

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int i (c*

int a)GntegerparseGnt1j'e!t0ield%get'e!t133*

int b)GntegerparseGnt1j'e!t0ield,get'e!t133*

-or1i).*i;,.*i""3

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