实现登陆，用户登录，必须具有管理员权限的用户才能登录本系统进行管理，完全可以实现，没有问题地-The realization of landing, the user login must have administrator privileges users can log on to manage the system, can be realized, there is no problem to

java编写的用户界面，适用于各种软件制作和java初学者使用。-java write user interface for a variety of software production and java beginners.

一个JAVA程序,可以对用户输入的两个数字进行比较分析,得出结果-A JAVA program, the user input the two Numbers can be comparative analysis, the results are obtained