It is media to provide communication between the objects for solving particular problem.
Every package develop with the help of language.
This language is also classified into Three categories.Those are
1. Low level language
2. Middle level language
3. High level language
1. Low level language :-
In this language we can use Binary codes. i.e; 0’s & 1’s.
Machine knows only this language so it is called machine level language.
2. Middle level language :-
In this language we can use some mnemonic codes such as add,sub,mul,div…..etc
It is also called as a Assembly language.
Ex:- COBOL
3. High level language :-
In this language we can use some mathematical notations such as +,-,/,*,etc……..
It is also called as a User friendly language language.
Ex:- C,C++,JAVA,etc.
