Boxing and UnBoxing concepts in .net

	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:	inti = 221; object obj = i; //boxing	object obj = 213; i = (int)obj ; // unboxing

class SenTest

{

               static void Main() {

                               int i = 1;

                               object o = i;                           // boxing

                               int j = (int) o;         // unboxing

               }

}