ABSTRUCTION:
 
Process of providing the neccesary properties & operations 
of an object is called as abstuction

Example take car the car user only know things reqired.
he don't no the internal functionality of the car b'coz it 
is not required for the user .

properties like car:colour,number,model etc.
operations like car:move front,backetc.

ENCAPSULATION:

Process of providing all the properties&operayion of entity 
in one place is called as encapsulation.
 
In java operations are called as methods,properties are
called as variables.

The place where you were write the variables &properties is 
called as class.