Practice Instance Variables - 1.3.b | Chapter 7: Variables and Expressions | ICSE Class 12 Computer Science
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Instance Variables

1.3.b - Instance Variables

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are instance variables?

💡 Hint: Think about how objects can have unique properties.

Question 2 Easy

Where should you declare instance variables?

💡 Hint: Remember the structure of a class.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What are instance variables used for?

To store class methods
To maintain object state
To define data types

💡 Hint: Think about what makes each object unique.

Question 2

True or False: Instance variables can be accessed directly from outside the class.

True
False

💡 Hint: Consider the protection principles of OOP.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a class 'Library' that has instance variables for 'bookTitle', 'author', and 'availability'. Create multiple instances of 'Library' with different values and display their properties.

💡 Hint: Consider creating multiple objects of Library with different book details.

Challenge 2 Hard

Create a 'BankAccount' class with instance variables 'accountHolderName', 'accountNumber', and 'balance'. Include methods to deposit and withdraw, and track the balance accordingly.

💡 Hint: Think about how each instance holds individual account details.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.