Episode 12 - Polymorphism in Java Explained Simply | Runtime vs Compile-Time
In this video, we break down an important concept in Java OOP - Polymorphism - using simple explanations and non-cliche real-world examples.
By the end of this video, you will understand:
✔ What polymorphism actually means
✔ Difference between Compile-time vs Runtime polymorphism
✔ How method overloading works
✔ How overriding + upcasting create runtime polymorphism
✔ Why polymorphism is essential in real applications
✔ Java 21-style clean code examples
We’ll look at how the JVM chooses methods dynamically, why writing to interfaces matters, and how polymorphism makes programs flexible, modular, and easier to maintain.
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