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说明：  Java后端接口规范，公司使用的，以上参考，尽自己使用(Java back-end interface specification, the company uses, the above reference, do your best to use)

回文串的实现，适合初学java的人使用和阅读(Palindrome string implementations, suitable for beginners java people use and read)

liferay portlet 实例，可以直接部署(liferay portlet instance, can be directly deployed)

文件内容丰富，包含 有j2se,jsp,ejb方面面试的经典问题。堪称JAVA程序员面试宝典~~~(File content-rich, contains j2se, jsp, ejb interview classic problem areas. Rated JAVA programmer interview Collection ~ ~ ~)

编写一个控制台程序，模拟在ATM机的存款和取款过程，当输入给定的卡号和密码（初始卡号和密码到数据文件里查看）时，系统能登录ATM系统，根据用户的身份不同显示不同的程序界面；取款 　　每次取款金额只能为100的倍数，总额不超过2000元，不允许透支。且取款之后，要记录取款的金额和时间。 存款 　　每次存款金额只能为100的倍数，总额不超过2000元。 修改密码 　　新密码长度不小于6位，不允许出现6位完全相同的情况，只有旧密码正确，新密码符合要求，且两次输入相同的情况下才可以成功修改密码。(Write a console program to simulate the ATM deposits and withdrawals process, when you enter a given number and password (the initial number and password to the data file view), the system can log in ATM systems, according to the user' s identity different display different The program interface withdrawal amount each withdrawal can only be a multiple of 100, the total does not exceed 2,000 yuan, does not allow overdrafts. And withdrawals after the withdrawal of the amount to be recorded and time. Deposit Amount per Deposit only a multiple of 100, totaling no more than 2,000 yuan. Change Password New Password length not less than six, allowed six identical situation, only the old password is correct, the new password meets the requirements, and enter the same case twice before they can successfully change the password.)

ssm+maven整合实例，这是一个简单的实例，可以发布对于ssm框架与maven工具使用。(Example of SSM + Maven integration. This is a simple example that can be published for use with SSM frameworks and maven tools.)

说明：  海康人脸识别DEMO，JAVA语言编写的，帮你快速入门(Haikang Face Recognition DEMO)

Clustering Large Probabilistic Graphs

用JSlider动态改变颜色(with JSlider dynamic change in color)

hibernate参考，希望对各位有用。初次发帖，会有不足之处，会改进。(hibernate reference, in the hope that useful. The initial posting, there are deficiencies, will improve.)