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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What will be the output of the following code? 'for (int i = 1; i <= 3; i++) { System.out.println(i); }'
💡 Hint: Look at how many times the loop runs.
Question 2
Easy
In a 'while' loop, where is the condition checked?
💡 Hint: Think about when the loop starts and stops.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What type of loop would you use when you know the number of iterations?
- while loop
- for loop
- do-while loop
💡 Hint: Remember the structure of the for loop.
Question 2
A 'do-while' loop runs at least how many times?
- Once
- Twice
💡 Hint: Consider the order of execution in this loop type.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using a for loop, write a program that calculates the sum of integers from 1 to 100.
💡 Hint: Consider how you can keep adding numbers to a total.
Question 2
Create a program with a while loop that repeatedly prompts a user to enter their age until they enter a non-negative number.
💡 Hint: Use a condition that allows exit from the loop for valid input.
Challenge and get performance evaluation