POP3Demo

说明：  用Java语言写的经典推荐算法-BPR，常用做各大推荐算法的baseline.(The classic recommendation algorithm written in Java language - BPR, is commonly used as the baseline for major recommendation algorithms, it may be helpful for your study.)

23种设计模式的实现（Java 版）,希望能给大家带来帮助！(23 the realization of the design pattern (Java version), the hope can bring you help! )

calculate catalan number

Java数据库编程经典教程:Classic Java database programming tutorial(Classic Java database programming tutorial: Classic Java database programming tutorial)

JDKTM 6 Documentation

Date prototype get Day Source Code for Java Script.

SME框架(Swing)开发实例,使用SME框架开发桌面应用程序(SME framework (Swing) to develop examples of the use of SME framework for the development of desktop applications)

用JAVA实现简单的定积分，里面有详细说明(use JAVA to realize dingjifen with detailed instruction)

完善的Java项目管理系统网页，自己写的(Improve the Java project management system page, write it myself)

说明：  一个时钟的源码，可显示日期，可更改皮肤，可选择颜色(A clock source, can display the date, change the skin)