Java是一种可以撰写跨平台应用软件的面向对象的程序设计语言。Java 技术具有卓越的通用性、高效性、平台移植性和安全性，广泛应用于PC、数据中心、游戏控制台、科学超级计算机、移动电话和互联网，同时拥有全球最大的开发者专业社群。-Java is a can write cross-platform application of object oriented programming language. Java technology has the remarkable versatility, high efficiency, portability and security platform, widely used in PC, data center, game consoles, science super computers, mobile phones and the Internet, at the same time has the world s largest professional developer community.