类型转换，挺好用的

ＪＡＶＡ实现的计算器程序，界面很友好，来自于ＪＡＶＡ编程１００例上面的内容-Realize JAVA calculator program, the interface is very friendly, from 100 cases in the JAVA programming content of the above

用JAVA的JNI技术切换操作系统的输入法，主要用于JAVA桌面应用程序-Switching the operating system using JAVA input method

JAVA职工信息查询，JAVA－ORACAL连接-JAVA workers Information, JAVA-link ORACAL

用Java实现简单的3D动画实现-simple Java 3D animation to achieve

jsp三级联动的菜单，可以调动数据库进行变换-jsp linkage of the three-tier menu, can be mobilized to transform the database

北大青鸟一期JAVA课本的整本书的上机练习，主要是做一个商店的管理系统-Beida Jade Bird textbooks JAVA a whole book on machine exercises, mainly to make a store management system

一个入门jsp实例--简单，好用，方便学习！-Jsp example of an entry is simple, easy to use, easy to learn!

很好的，我朋友花钱买的，希望对java初学者有所帮组-good, I spend money to buy friends, and I hope to have java help beginners group

某个培训机构的 很贵的学习 spring 的培训笔记 ，很适合新手学习用-A very expensive training institutions of learning spring training notebook, it is suitable for novice to learn

java DataBase Exp