Java Control Statements and Loops

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Question 1

What will be the output of the following code?

Java 
int x = 5;
if (x > 2)
    if (x > 4)
        System.out.println("A");
    else
        System.out.println("B");


  • A

  • B

  • Compilation Error

  • No Output


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Question 2

How many times will the following loop execute?

Java 
int i = 1;
while (i <= 5) {
    System.out.println("Hello");
}


  • 5 times

  • 6 times

  • Infinite times


  • Compilation Error

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Question 3

What is the output of the following Java code?

Java 
for (int i = 0; i < 5; i++) {
    if (i == 2)
        break;
    System.out.print(i + " ");
}


  • 0 1 2 3 4

  • 0 1


  • 0 1 2

  • No Output

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Question 4

What is the correct syntax for a do-while loop in Java?

  • do { } while (condition);


  • while (condition) { }


  • do (condition) { }


  • while { condition };

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Question 5

What will be the output of the following nested loop?

Java 
for (int i = 1; i <= 3; i++) {
    for (int j = 1; j <= 2; j++) {
        System.out.print(i + "," + j + " ");
    }
}


  • 1,1 1,2 2,1 2,2 3,1 3,2

  • 1,1 2,1 3,1 1,2 2,2 3,2

  • 1,1 1,2 1,3 2,1 2,2 2,3

  • Compilation Error

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Question 6

What happens if the condition in an if statement is false?


  • It throws an error

  • Else block runs (if available)

  • Code inside if runs

  • Program exits

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Question 7

Which loop guarantees execution at least once?


  • for

  • while


  • do-while

  • foreach

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Question 8

Which keyword is used to skip the current iteration in a loop?


  • break

  • exit

  • continue

  • skip

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Question 9

What is the correct structure for a switch-case block?

  • switch {}

  • switch:

  • switch() {}

  • switch[]

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Question 10

Which loop is the best suited for traversing arrays directly?

  • for

  • while

  • do-while

  • for-each

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There are 10 questions to complete.

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