Set - 1

Which of the following option leads to the portability and security of Java?

• Bytecode is executed by JVM

• The applet makes the Java code secure and portable

• Use of exception handling

• Dynamic binding between objects

Evaluate the following Java expression, if x=3, y=5, and z=10:

++z + y - y + z + x++

• 24

• 23

• 20

• 25

What will be the output of following Java code?

public class Challenge1 {

public static void main(String[] args) {

int x = 5;

System.out.println(x++ + ++x);

}

}

• 12

• 13

• 11

• 14

Who is Mother of Computers?

• Lady Love Lace Ada

• Margaret Thacher

• Kalpana Chawla

• Elizabet

What is the output of the following code?

#include <stdio.h>

int main() {

int x = 10;

printf("%d", x > 5 ? x < 12 ? 5 : 7 : 9);

return 0;

}

• 7

• 9

• 10

• 5

Which of the following is a correct way to declare a two-dimensional array in C?

• int arr[5][5];

• int arr[][];

• int arr[][] = new int[5][5];

• int arr[5, 5];

Find the value of A[1] after execution of the following program.

int[] A = {0,2,4,1,3};

for(int i = 0; i < a.length; i++)

{

a[i] = a[(a[i] + 3) % a.length];

}

• 2

• 1

• 0

• 3

Consider the following code. What will be the output?

public class Test {

public static void main(String[] args) {

String str1 = "Hello";

String str2 = new String("Hello");

System.out.println(str1 == str2);

}

}

• false

• compilation error

• true

• runtime error

What is the output of the following code snippet?

#include <stdio.h>

int main() {

int i = 10;

while (i-- > 0) {

printf("%d ", i);

}

return 0;

}

• 0 1 2 3 4 5 6 7 8 9

• 9 7 5 3 1

• 9 8 7 6 5 4 3 2 1 0

• 10 9 8 7 6 5 4 3 2 1

What will be the output of the following code snippet?

example = ["Sunday", "Monday", "Tuesday", "Wednesday"];

del example[2]

print(example)

• ['Sunday', 'Monday', 'Tuesday', 'Wednesday']

• ['Monday', 'Tuesday', 'Wednesday']

• ['Sunday', 'Monday', 'Wednesday']

• ['Sunday', 'Monday', 'Tuesday']