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LLD
ยท
Module 1
Java Object-Oriented Programming Foundations
1
The Four Pillars of OOP
Explain the four pillars of OOP: encapsulation, abstraction, inheritance, and polymorphism.
2
Encapsulation: Protecting Object State with Access Modifiers
Apply encapsulation to protect object state using access modifiers (public, private, protected).
3
Crafting Class Hierarchies
Design class hierarchies using inheritance, abstract classes, and interfaces.
4
Method Overriding for Polymorphism
Implement runtime polymorphism using method overriding.
5
Compile-time vs. Runtime Polymorphism
Differentiate compile-time polymorphism (method overloading) from runtime polymorphism (overriding).
6
Constructors: Building Objects
Explain the role of constructors in object instantiation and initialization.
7
Static Keywords: Members and Methods
Define the purpose and use of static keywords for members and methods.
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Fundamental Design Principles