Java是一种编程语言，它提供了一个同时用于程序开发、应用和部署的环境。Java语言主要定位于网络编程，使得程序可以最大限度地利用网络资源。-Java is a programming language, it provides a also used for program development, application and deployment of the environment. Java language mainly located in network programming, and makes the program to maximize the use of network resources.