Java Programming Quiz

What is the output of the following code? int a = 5; int b = 2; System.out.println(a / b);

• 2.5

• 3

• 2

• Compilation Error

Which of the following is a valid data type in Java?

• integer

• string

• int

• real

What is the default value of a boolean variable in Java?

• true

• 0

• null

• false

Which loop is guaranteed to execute at least once?

• for

• while

• do-while

• foreach

What does the break statement do?

• Ends the program

• Jumps to next iteration

• Exits the loop/block

• Skips current condition

What is the output of this code? int x = 10; x += 5; System.out.println(x);

• 15

• 10

• 5

• Error

Which keyword is used to create a class in Java?

• object

• def

• class

• Class

Which operator is used to compare two values?

• =

• ==

• !=

• :=

How do you declare an array in Java?

• int arr[] = new int(5);

• int arr = new int[5];

• int arr[] = new int[5];

• array int[5];

What is the result of this code? int[] nums = {1, 2, 3}; System.out.println(nums[1]);

• 1

• 2

• 3

• Error