Answer Posted / preetham

Overloading :

If you want to use same method in a different ways by using different method signatures.It should be in the same class.
In the below example there is no parameter passed in first time calling but same method we used with passing multiple parameters. This is what overloading means.
Ex: public void FirstMethod(){}
public void FirstMethod(int i, string s){}

Overriding :

It deals with two methods one in a parent class and one in a child class that have the same signature.
The method in parent class should be declared as virtual and the method in the derived class should be declared as override in their method signature. Every virtual method in the parent class should be override in the derived class.
Ex : public virtual void FirstMethod(){}
public override void FirstMethod(){}

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