Polymorphism in java | Compile time Polymorphism in java | Method Overloading |with Example | part

In this video, I explained and showed How to use and when to use Polymorphism in java program. And types of Polymorphism in java. With Real-time Examples. In this video, I Explained Compile time polymorphism in java and various ways to achieve using method overloading.

Run Time PolyMorphism: https://youtu.be/RDsNPFDPc-Y

OOPS in JAVA: https://youtu.be/fydfMhR7DKo
Methods in JAVA: https://youtu.be/tu25oGiCXtc
Constructors in java: https://youtu.be/De45-uD5AiY
this keyword in java: https://youtu.be/VoKqseeyd9I
inheritance(IS-A) in java: https://youtu.be/5LdNhEQkQW8
Association in java: https://youtu.be/Q1yeNaPXiYk
Polymorphism in java(Runtime time/overriding)https://youtu.be/RDsNPFDPc-Y
super keyword in java: https://youtu.be/LzeXXoMZ_7k
Abstraction in java: https://youtu.be/ZQB_wxQR8G0
interface in java: https://youtu.be/l5mQxGsdXpI


Topics Covered

0:00:00 Topic introduction Definition & Types
0:02:40 Examples with Diagram
0:09:17 Programmatic Examples
0:33:20 Compiler Ambiguous
0:34:40 type promotion Examples
0:05:30 What is overloading in java
0:42:20 Can we achieve Method Overloading by changing the return type
0:44:10 Can we Overload Main Method in Java
0:46:15 Can we achieve Method Overloading by changing the return type
0:48:00 var-args in java with method overloading
0:52:00 Object class is the parent class of all the class in java
0:55:30 Real-time Examples
1:00:00 Attach JDK source in Eclipse
1:02:12 String class source code in java
1:03:00 Overloading Example
1:04:00 Real-time usage
1:06:00 conclusion



Polymorphism is one of the OOPs features that allow us to perform a single action in different ways.

The process of representing one form in multiple forms is known as Polymorphism.
Polymorphism(Greek words) means many forms.

Using polymorphism, we can achieve flexibility and readability in our code because we can perform various operations by using methods with the same names according to requirements.

Polymorphism can be either static or dynamic depending on how the method is called in a class.

Types: compile-time polymorphism and runtime polymorphism.

We can perform polymorphism in java by method overloading(Compile-time/Static Polymorphism)
and method overriding(Runtime polymorphism or Dynamic Method Dispatch)

overloading :
If a class has multiple methods having the same name but different in parameters, it is known as Method Overloading.

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