4.4 - Encapsulation in Java
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Practice Questions
Test your understanding with targeted questions
What is encapsulation in Java?
💡 Hint: Think about how you would hide sensitive information while still allowing others to interact with it.
Define getters and setters.
💡 Hint: What methods would you use to get and set values in a class?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does encapsulation protect?
💡 Hint: Consider the main goal of encapsulation in programming.
True or False: A private variable can be accessed directly from outside its class.
💡 Hint: Reflect on the visibility of private variables.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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?
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