MCQs on Iterative Statements in Java

Which statement is used for looping in Java?

• if-else

• while

• switch

• try-catch

What is another term for iterative statements in Java?

• Decision-making statements

• Looping statements

• Jump statements

• None of the above

What will the following while loop print? int i = 1; while (i <= 3) { System.out.println(i); i++; }

• 123

• 1 2 3

• 3 2 1

• Infinite loop

How does a do-while loop differ from a while loop?

• A do-while loop does not use conditions

• A do-while loop executes at least once

• A do-while loop is faster

• None of the above

Which keyword is used to exit a loop prematurely?

• exit

• stop

• break

• return

What is the output of the following code? for (int i = 0; i < 3; i++) { System.out.print(i + " "); }

• 0 1 2

• 0 1 2 3

• 1 2 3

• Compilation error

A nested for loop is used when:

• We want to iterate only once

• Multiple iterations depend on each other

• We have conditional statements

• None of the above

What is the output of the following nested loop? for (int i = 1; i <= 2; i++) { for (int j = 1; j <= 2; j++) { System.out.print(i * j + " "); } }

• 1 2 3 4

• 1 2 2 4

• 1 1 2 2

• Compilation error

Which loop guarantees at least one execution?

• while

• do-while

• for

• All of the above

What is the purpose of the continue keyword in loops?

• To exit a loop

• To skip the current iteration and continue

• To stop the program

• None of the above