Practice B. while Loop - 3.4.2 | Chapter 3: Control Flow Statements | JAVA Foundation Course
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Write a while loop to print numbers 1 through 5.

πŸ’‘ Hint: Remember to initialize a counter variable and increment it.

Question 2

Easy

What will be printed by the following code?

Code Editor - java

πŸ’‘ Hint: Count how many times the loop runs based on the condition.

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 is a while loop?

  • A loop that runs a fixed number of times
  • A loop that continues until a condition is false
  • A loop that executes only once

πŸ’‘ Hint: Think about how the loop behaves based on conditions.

Question 2

True or False: A while loop can run zero times.

  • True
  • False

πŸ’‘ Hint: Consider the condition's role in starting the loop.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a while loop that simulates a basic login system that exits after three failed attempts. Output whether the user succeeded or failed.

πŸ’‘ Hint: Keep track of the number of attempts and check against a predetermined password.

Question 2

Create a while loop that takes numbers from user input until a negative number is entered, then outputs the sum of all positive numbers entered.

πŸ’‘ Hint: Use a variable to accumulate the sum of positive numbers and set a condition to stop when a negative number is entered.

Challenge and get performance evaluation