Boxing vs UnBoxing

Boxing and Unboxing is a  essential concept in .Net’s type system. With Boxing and Unboxing one can link between value-types and reference-types by allowing any value of a value-type to be converted to and from type object. The basic differences are :-

	Boxing	Unboxing
Definition:	Boxing is the process of converting a value type to the reference type.	Unboxing is the process of converting a reference type to value type .
Type of Conversion:	Implicit Conversion	Explicit Conversion
Example:	int i = 221; object obj = i; //boxing	object obj = 213; i = (int)obj ; // unboxing