This document discusses 5 main coding languages - Java, JavaScript, C/C++, and Python. It provides brief descriptions of their common functions and benefits, such as Java being used for standalone, web, and enterprise applications as well as mobile apps, while JavaScript is used for presentations, server applications, and web servers. C/C++ are commonly used for games, media editing apps, and browsers, and C is also widely used for embedded devices and OS kernels. Python is noted but not described.