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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.)

给定三个整数a、b和c，要求在控制台窗口中输出方程 ax2+bx+c=0的根(Given three integers a, b and c, required in the console window output equation ax2+ bx+ c = 0 root)

利用JAVA存取数据库中的图片,很好的学习案例(Using JAVA access to images in the , a good case study)

说明：  简单完成坦克作战程序，主要利用Java，在对应平台完成编码、运行(Using Java to complete the compilation of classical game tank battle, complete the operation of tank battle in different machines)

run sql script with java

商城界面的后台实现，采用bootstrap搭建的项目，使得项目看起来简约大方(Background realization of mall interface)

JS Encoder压缩加密javascript代码(JS Encoder)

生成pdf文档工具软件Itex中文开发帮助文档，英语菜鸟开发人员的助手(Generated pdf document tool software Itex Chinese developers help documentation, English rookie developers assistant)

说明：  会议室管理系统源代码为且翁群翁群翁骑我发给电饭锅(Using Ajax to add, delete, modify and query)

说明：  企业人事管理系统（Swing+Hibernate+Oracle）(Enterprise personnel management system (swing + hibernate + Oracle))