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what is difference between method overloading and method overriding

Amit Singh 4939 19 Oct 2010
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Updated 23 Sep 2020
Amit Singh
Amit Singh

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1 Answers

Pushpendra Singh
Pushpendra Singh 08 Nov 2010
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Method overloading means having two or more methods with the same name but different signatures in the same scope. Compiler automatically select the most appropriate method based on the parameter supplied.
public class multiplynumber
{
public int multiply(int x, int y)
{
return x * y;
}
public int multiply(int x, int y, int z)
{
return x*y*z;
} 
}

Method Overriding is achieved when a subclass overrides non-static methods defined in the superclass, following which the new method implementation in the subclass that is executed.
The new method definition must have the same method signature and return type.
Clas A
{
Virtual void sum (int a)
{
}
}
Class B:A
{
public overrid void sum (int a)
{
}
}

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