Basic concept of object oriented programming c++

1.object

2.class

3.data abstraction

4.data encapulation 

5.inherentance

6.polymorphisims

7.dynamic binding

8.message passing

1.object :- 
object are basic run time antities. eg- a table a person ,a place ,a bankaccount . 
The object required  a memory space to store in memory because object space contain data one object required a memory space to store in memory because object contain data one object may commiuncate another object by sending or receiving message to one another.
eg- bankaccounter 
we can say that real life entity in real world.

2.class:-
 we just mainstion that object contain data and code two manupalate that data.
The entire set of data and code of an object can be made a user define datatype with the help of class infact object are variable of type class.
one a class has define we can create any number of object belonging to the class 
eg- mango,apple,orange are member of class fruit.
classes are user define datatype and behave like building datatype.

3.data abstraction :- 
data abstraction refer to act of represeentating the ensical feature without including background detals. on explaning classes use the concept of abstraction 
eg- following are different list of abstract attibutes, size ,weight , cost etc
and function operates on this attributes called as data member and function called as member function 

4. data encapulation :- 
rapping of  the data and function into a single units is  called data encapulation .
eg - CPU
dataencapulation is most striking feature of the class.
The data is not accientable to the outside world .
The data is acciable to only function which are rapped in the class .

5.inheritance :-
inheritance is the process by which object of one class aqurired the properties of object of another class . 
inheritance is the hirachical classfication 
i)single inheritance 
ii)multiple inheritance
iii)haricical inheritance 
iv)multilevel inheritance
v)hybrid inheritance