Every proxy in this list is re-tested every 30 minutes by a real HTTP request through it to our own echo endpoint — not pinged, not assumed. Every entry here last passed that test within 5.5 hours ...
A Java university micro project that monitors refrigerated shipments during transport. It has a Swing desktop application, a Servlet/JSP web application, a MySQL database accessed with JDBC, and ...
本文详细讲解基于Java Swing与MySQL构建房屋租赁管理系统的完整开发流程，涵盖JDK 17与MySQL 8.0环境搭建、5张核心表的数据库设计（强调无外键而用Service层校验）、GridBagLayout布局实践、JComboBox数据绑定避坑、JTable刷新机制、连接池管理、中文字符集配置、SwingWorker异常处理，以及iText 7生成PDF合同和Maven ...
系统采用纯Java Swing构建图形界面，通过JDBC实现与MySQL的外连接，支持管理员、公司员工和游客三类角色登录，覆盖用户管理、个人信息维护、工资查询及企业宣传展示等典型业务场景。
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