Java不仅可以用来开发大型的桌面应用程序，而且特别适合于Internet的应用开发。目前，Java语言不仅是一门正在被广泛使用的编程语言，而且已成为软件设计开发者应当掌握的一门基础语言。-Java is not only can be used to develop large-scale desktop applications, and is particularly suitable for Internet application development. Currently, Java language is not only a widely-used programming languages, software design and development and has become the master of the one who should be the basis of language.