Here I am giving you information about main difference between Java, c++ and c Language courses below ..

In computer Science Java is the main language for the starting computer science programming classes.. C is a low-level language while JAVA is a high-level language.

C language:
C language is a structured programming.
2.Follows top down approach.
3.The entire problem is divided as functions and procedures.
4.Main features are pointers,preprocessor.

Java:
It is a object orienter programming but not 100%.
Main features are multi threading, interfaces.
JAVA supports Method Overloading
JAVA does not support Preprocessors
It is a platform independent language.
It will not support for pointers.

C++:
It is a object oriented programming.
It is improved version of c language.
Main features are pointers, class.
Follows an bottom to top approach.
Entire problem is divided as objects.