What is difference overloading and overriding?

devquora
devquora

Posted On: Feb 22, 2018

 

Differences between overloading and overriding

OverloadingOverriding
Overloading is performed at compilation time.Overriding is performed at runtime
Overloading is also called static binding.Overriding is also called dynamic binding.
Overloading is done within the class.Overriding occurs in between two classes that have an IS-A (inheritance) relationship.
It is an example of compile-time polymorphism.It is an example of run time polymorphism.

Overloading Example:

class ExampleClass{  
static int sum(int a,int b){return a+b;}  
static int sum(int a,int b,int c){return a+b+c;}  
}  

Overriding Example:

class Animal{  
	void eat(){System.out.println("eating...");}  
}  
class Dog extends Animal{  
	  void eat(){System.out.println("eating bread...");}  
}   

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