Java是目前最常用的计算机编程语言，也是主要的网络开发语言之一。Java具有面向对象、分布式和多线程等先进高级计算机语言的特点，同时它还因可移植、安全性能高和网络移动性等逐渐成为一种行业标准。对于初次接触计算机编程语言的人来说，Java语言简单易学，不需要长时间的培训就可以编写出适合现在企业或个人需要的程序。 -ava is one of the most commonly used computer programming language, also is one of the main network language development. Java with object-oriented, distributed and multi-threading advanced high-level computer language characteristics, and at the same time it also for transplantation, safety performance is high and network mobility and gradually become an industry standard. For initial contact with computer programming language, it is easy to follow and Java language don t need long time of training can write a suitable for now the enterprise or individual need to program.