Programming Concepts using Java Quiz 1: 7 July 2024 (May 2024 term)

Select all that apply.

1. A

   Return value link points to the start of the previous activation record.

2. B

   An activation record is pushed into the stack when a function is called, and is popped out when the function returns.

3. C

   The variables present in every activation record in the stack are in scope and are accessible.

4. D

   The variables present in the topmost activation record of the stack are in scope and are accessible.

1. A

   1-B, 2-A, 3-C, 4-D, 5-E

2. B

   1-A, 2-B, 3-D, 4-E, 5-C

3. C

   1-C, 2-D, 3-B, 4-E, 5-A

4. D

   1-D, 2-C, 3-E, 4-A, 5-B

1public class Test{
2    public static void main(String[] args){
3        int a[] = {10, 20};
4        int x = a[0];
5        for(int i : a){
6            switch(i){
7                case 10:
8                    x = x + 10;
9                    System.out.println(x);
10                    break;
11                case 20:
12                    x = x + 20;
13                    System.out.println(x);
14                    break;
15                default:
16                    System.out.println(x);
17            }
18        }
19    }
20}

1. A

   20
   30
   30

2. B

   20
   40

3. C

   20
   40
   60

4. D

   10
   20
   40