Java is one of the most popular programming languages in the world. It is used in almost every type of computing device, from mobile devices to super computers. The reason for its popularity is its versatility. Java is capable of being compiled into many different forms of executable code, which makes it one of the most usable languages for developing applications.

You can develop and design applications in Java, as well as build them on Android, iOS, Microsoft Windows, and Mac OS X. You can also develop web applications in Java, and many of them can be compiled into JavaScript, which makes them extremely easy to use.