The do-while loop in Java is a control flow statement that executes the loop body at least once, even if the condition is false. It is commonly used when the loop must run before checking the condition.
Time limit: 0
Quiz Summary
0 of 15 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
What is the correct syntax of a do-while loop in Java?
Correct
Incorrect
Question 2 of 15
2. Question
How many times will a do-while loop execute if the condition is false on the first check?
Correct
Incorrect
Question 3 of 15
3. Question
What will be the output?
int x = 5; do { System.out.print(x + ” “); x–; } while (x > 3);
Correct
Incorrect
Question 4 of 15
4. Question
What will the following code output?
int i = 1; do { System.out.print(i); i++; } while (i < 1);
Correct
Incorrect
Question 5 of 15
5. Question
When is the condition of a do-while loop checked?
Correct
Incorrect
Question 6 of 15
6. Question
What is the minimum number of times a do-while loop executes?
Correct
Incorrect
Question 7 of 15
7. Question
What will this code print?
int x = 1; do { System.out.print(x + ” “); x++; } while (x <= 3);
Correct
Incorrect
Question 8 of 15
8. Question
Which loop guarantees at least one execution of the loop body?
Correct
Incorrect
Question 9 of 15
9. Question
Identify the error in the following code:
int i = 0;
do
System.out.println(i);
while(i < 5)
Correct
Incorrect
Question 10 of 15
10. Question
What will this output?
int i = 1; do { if (i == 3) break; System.out.print(i + ” “); i++; } while (i <= 5);
Correct
Incorrect
Question 11 of 15
11. Question
Which is true about do-while loops?
Correct
Incorrect
Question 12 of 15
12. Question
Which of the following is valid inside a do-while loop?
Correct
Incorrect
Question 13 of 15
13. Question
How can you make a do-while loop run infinitely?
Correct
Incorrect
Question 14 of 15
14. Question
What is the purpose of placing the semicolon after while(condition);?
Correct
Incorrect
Question 15 of 15
15. Question
Which of the following is best use-case for a do-while loop?
Correct
Incorrect
Summary
The Java do-while loop ensures the loop body executes at least once before condition checking, making it ideal for user-driven programs and menus. Understanding its syntax and behaviour is essential for mastering Java control flow.
At QuizOrbit, our team specializes in fun, informative quizzes across topics like general knowledge, technology, and entertainment. Boost your knowledge with our expert-designed quizzes.