说明：  Java简介 Sun Microsystems 于1995年推出 1991 年Sun公司的James Gosling等人开始开发名称为 Oak 的语言。希望用于控制嵌入在有线电视交换盒、PDA等的微处理器 1994年将Oak语言更名为Java Java 既安全、可移植，又可跨平台，而且人们发现它能够解决Internet 上的大型应用问题
(About Sun Microsystems Java launched in 1995, 1991, Sun' s James Gosling, who began developing the name for the Oak language. Hope for controlling the exchange is embedded in the cable box, PDA and other microprocessor in 1994 was renamed the Oak language Java Java is safe, portable, but also cross-platform, and it was found to be able to solve the problem of large-scale applications on the Internet)