Question

( ﾉ ﾟｰﾟ)ﾉPREFIX POSTFIX OPERATOR PRACTISE QUESTIONS＼(ﾟｰﾟ＼)
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sorry for the previous questions where the docs and img werent proper
this time ill just send it in text
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1.int a=7;
int z= a++ + a – – ;
2.int a = 5;
int z = - -a + ++a ;
3. int a= 6;
int z= a++ + ++a
4. int a = 4;
z= a-- + ++a – a++;
5. int a= 5;
int m= a++ + a – -;
6. class PrePostDemo {
public static void main(String[] args){
int i = 3;
i++;
System.out.println(i);
++i;
System.out.println(i);
System.out.println(++i);
System.out.println(i++);
System.out.println(i); }}
7. int i = 5;
int j = ++i;
System.out.println("j="+j);
System.out.println("i="+i);

8.int i = 5;
int j = i++;
System.out.println("j="+j);
System.out.println("i="+i);

9. int a = 5
++a;
a++;
--a;
a--;
System.out.println(a);

10 . int a = 34;
int b = 21;
int c = a++ + ++b;
int d = --a + --b + c--;
int sum = a + b + c + d ;
System.out.println("sum = " + sum);
11.
i)System.out.println(2+7%3);
ii)System.out.println(2>3&&4<5);
iii)System.out.println((2>3||4<5);
iv)System.out.printn(!(7= =8);
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Answer 1

Answer:

1. z = 15

2. z = 9

3. z = 14

4. z = 4

5. z = 11

6. output : 4 5 6 6 7

7. output: "error: string and int type addition"

8. output: "error: string and int type addition"

9. output: 5

10. output: "error: string and int type addition"

11. output:

i) 3

ii) false (0)

iii) true (1)

iv) true (1)

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