*Class is a collection of similar object that  share a common behavier.

*An object is a instance of class.

*Class is constitution of two things.

       1.Data members

       2.Function member

*data member describe to prepare function    member decreses behavier or action.

*class is called user define datatype.

*class os a defination while object id actualy things that look likes class.

*Class is a group of object having same prepration common behavier and common relationship.

*Class is a way to bind the data and its oriented function toughter.