Practice Constants - 4 | Chapter 7: Variables and Expressions | ICSE Class 12 Computer Science
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of a constant in programming?

💡 Hint: Consider the value's immutability.

Question 2

Easy

How do you declare a constant in Java?

💡 Hint: Remember the syntax includes `final`.

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 keyword is used to declare a constant in Java?

  • const
  • final
  • constant

💡 Hint: Think about the keyword that prevents change.

Question 2

A constant's value can be changed after it has been assigned? (True/False)

  • True
  • False

💡 Hint: Recall what makes a constant different from a variable.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a Java program that attempts to change the value of a declared constant and observe the compiler's response.

💡 Hint: Try changing a constant after it has been assigned.

Question 2

Create a real-world application that would benefit from using constants and explain how they would improve the code.

💡 Hint: Consider scenarios where fixed values are critical.

Challenge and get performance evaluation