Java Loops Practice MCQs with Answers for Students

1.Which loop is used when the number of iterations is known?

a) while
b) do-while
c) for
d) switch

2. Which loop checks the condition before execution?

a) do-while
b) for
c) while
d) Both B and C

3. Which loop executes at least once?

a) for
b) while
c) do-while
d) if

4. What is the correct syntax of a for loop?

a)

for(i=0; i<5; i++)

b)

for int i=0 to 5

c) loop(i<5)
d)

for(i<5; i++)

5.What will be the output?

for(int i = 1; i <= 3; i++){ 

    System.out.print(i);
} 

a) 123
b) 012
c) 321
d) 111

6. What is the output?

int i = 1;

while(i <= 3){

   	System.out.print(i);

      i++;}

a) 123
b) 012
c) 321
d) Infinite loop

7. What happens if the condition in a while loop is always true?

a) Loop stops
b) Compile error
c) Infinite loop
d) Skips execution

8. Which loop is best for menu-driven programs?

a) for
b) do-while
c) if
d) switch

9. What does break do inside a loop?

a) Skips iteration
b) Ends loop
c) Restarts loop
d) Pauses loop

10. What does continue do?

a) Ends loop
b) Skips current iteration
c) Stops program
d) Repeats previous iteration

11. What will be the output?

for(int i = 0; i < 3; i++){

    System.out.print("Hi ");

}

a) Hi
b) Hi Hi
c) Hi Hi Hi
d) Infinite

12. What is the output?

int i = 5;

    do{

    System.out.print(i);

    i++;

}while(i < 5);

a) 5
b) 0
c) Nothing
d) Error

13. Which loop is entry-controlled?

a) do-while
b) while
c) for
d) Both B and C

14. Which loop is exit-controlled?

a) while
b) for
c) do-while
d) if

15. What will be the output?

for(int i = 1; i <= 3; i++){

    if(i == 2){

        continue;

    }

    System.out.print(i);

}

a) 123
b) 13
c) 12
d) 23

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