Q1
What is encapsulation?
AKeeping data private within a class
BMaking all data public
CDeleting class variables
DNothing specific
ICSEClass 10 (ICSE)Computer ApplicationsCh 7 · Topic 2
Practice and Revision - Encapsulation and Inheritance
Let us practise and revise what we learned about encapsulation and inheritance. Encapsulation protects data by keeping it private within a c
Core concept
Encapsulation involves making class variables private and providing public methods (getters and setters) to access and modify them safely.
How it works
Inheritance allows a subclass (child class) to inherit properties and methods from a superclass (parent class), promoting code reuse.
Why it matters
The 'extends' keyword is used in Java to establish inheritance between a subclass and its superclass.
Key detail
Understanding encapsulation and inheritance helps us write organised, reusable, and secure object-oriented programs.
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Quick notes
• Encapsulation makes variables private.
• Public getters/setters access and modify them safely.
• Inheritance lets subclasses inherit from superclasses.
• This promotes code reuse.
• The 'extends' keyword establishes inheritance.
• Subclass = child class; superclass = parent class.
• These are key OOP principles.
• They help write organised, reusable, secure code.