The majority of system programming is done in C++. The primary use of Java is application programming. It is commonly used in web-based, business, mobile, and Windows-based applications. Programming systems and applications is the purpose of C++.

C++ is mainly used for system programming. Java is mainly used for application programming.

The primary distinction between C++ and Java is that the former only supports compilation, whilst the latter supports both compilation and interpretation. The C++ compiler is platform-dependent since it turns source code into machine code.