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设计一个用户登录界面，输入用户名和密码后，点击登录按钮，若用户名为”JavaUser”，密码为”Java1234”，则允许登录，显示“登录成功!”，否则显示“登录失败！”。程序文件命名为Exe8_4.java。(Design a user login screen, enter your user name and password, click the login button, if a user named JavaUser , password is Java1234 , is allowed to login, Login successful! , Otherwise Login failed!. Program file named Exe8_4.java.)

开源Web框架规范之JSF之Myfaces实现的常用例子代码 (Open-source Web framework of MyFaces JSF specification of the realization of the common examples of code)

远程控制的实例，对了解远程控制有极大的帮助。(Instance of the remote control, remote control on the understanding of great help.)

说明：  一只青蛙一次可以跳上1级台阶，也可以跳上2级。求该青蛙跳上一个n级的台阶总共有多少种跳法。要求：分别用普通方法和递归方法实现(A frog can jump up a step or two at a time. Find out how many jumping methods the frog can use to jump up an n-step. Requirements: Implemented by common method and recursive method respectively)

JAVA经典算法40题(含解答) 学习Java的必备文档(JAVA classical algorithm 40 questions (with answers) the necessary documentation to learn Java)

Java对象关系映射详解:Java object relational mapping Xiangjie(Java object-relational mapping Xiangjie: Java object relational mapping Xiangjie)

蓝牙通讯协议demo，已经通过通讯测试，实测可以正常进行蓝牙协议通讯(Bluetooth Communication Protocol Demo)

说明：  使用Java Swing 实现的失物招领功能，包括丢失者登记于招领这登记，管理员认领等功能，mysql数据库(The lost and found function implemented by Java swing includes the function of registering the lost in the lost, the function of administrator claiming, MySQL database, etc)

NSGA2 和 QMEA 的java实现(NSGA2 and QMEA in JAVA)

一个用java做的时钟,很漂亮(a java do with the clock, a very nice)