Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is encapsulation in Java?
💡 Hint: Think about how you would hide sensitive information while still allowing others to interact with it.
Question 2
Easy
Define getters and setters.
💡 Hint: What methods would you use to get and set values in a class?
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 encapsulation protect?
- Code Structure
- Data Integrity
- Class Relationships
💡 Hint: Consider the main goal of encapsulation in programming.
Question 2
True or False: A private variable can be accessed directly from outside its class.
- True
- False
💡 Hint: Reflect on the visibility of private variables.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a class called Account that contains private variables for balance. Create methods to deposit and withdraw funds, ensuring the balance never goes below zero.
💡 Hint: Consider what checks you need to implement in the withdraw method.
Question 2
Write a program that allows a user to create a student profile with name and age, using encapsulation principles to ensure age cannot be negative.
💡 Hint: How will you validate the age when setting it?
Challenge and get performance evaluation