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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the result of 5 + 3?
💡 Hint: Think about combining two numbers.
Question 2
Easy
Calculate 15 - 7.
💡 Hint: Find the difference between 15 and 7.
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 does the + operator do in Java?
- Subtracts
- Adds
- Divides
💡 Hint: Think of how you would phrase a simple arithmetic problem.
Question 2
The result of 9 % 4 is:
💡 Hint: What remains when you divide 9 by 4?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that calculates the area of a rectangle given its length and width. Use multiplication for your calculation.
💡 Hint: Remember to declare variables for length and width before calculating.
Question 2
Given a number, write a Java function that returns the sum of its digits. For example, for 123, your function should return 1 + 2 + 3 = 6.
💡 Hint: You can use both modulus and division to extract digits.
Challenge and get performance evaluation