Practice Iterative Constructs In Java (6) - Iterative Constructs in Java

Practise this section

8 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is a loop in programming?
Show hintHide hint
Think about what repetitive tasks in programming might require.
Question 2.
Describe a for loop syntax.
Show hintHide hint
Remember the three parts that make up the for loop.
3Question 3.
What does a for loop do?
- Repeats code indefinitely
- Repeats code a specific number of times
- Does not allow code to repeat
Show hintHide hint
Think of scenarios where you set a starting point, an end point, and increments.
4Question 4.
True or False: A do-while loop can execute zero times.
- True
- False
Show hintHide hint
Consider how conditions are checked in both types of loops.
Question 5.
Create a Java program that prints a triangle pattern using nested loops, with a specified number of rows input by the user.
Show hintHide hint
Think about how many stars you need in each row based on the current row number.
Question 6.
Write a Java program using loops to calculate the factorial of a number given by the user.
Show hintHide hint
Factorial means multiplying the number by all integers below it, so set up a loop that iterates through all those numbers!

4 more questions in this section. Enroll free to practise them all.