Difference between overloading and overriding

S.No	Overloaded Method	Overridden Method
1	Method name must be same but arguments must be different	Method name and arguments must be same
2	Return type need not be same	Return type must be same until 1.4 version.Co-variant return types are allowed from 1.5
3	No rule for access specifier	Decreasing access specifier is not allowed
4	No rule for exceptions	Checked exception should not increase. There is no rule for unchecked exception