Polymorphism in Java

Introduction Polymorphism is one of the most important concepts of Object-Oriented Programming (OOPS) in Java. The word Polymorphism comes from two Greek words: Poly → Many Morph → Forms In Java, polymorphism allows one method or object to perform different actions depending on the situation. ** What is Polymorphism?** Polymorphism means the same method name behaves differently based on: Number of parameters Type of parameters Object reference at runtime Types of Polymorphism in Java Java supports two main types of polymorphism: Compile-Time Polymorphism (Method Overloading) Runtime Polymorphism (Method Overriding) 1. Compile-Time Polymorphism (Method Overloading) Definition When multiple methods have the same method name but different parameters in the same class, it is called method overloading. ✔ Resolved at compile time Example: class Calculator { int add(int a, int b) { return a + b; } int add(int a, int b, int c) { return a + b + c; } double add(double a, double b) { return a + b