A privacy-oriented desktop messaging application built with Java + JavaFX. Messages are encrypted (AES-256-GCM) and hidden inside PNG images (LSB steganography) before being sent, with a hybrid ...
MySQL is an open source relational database management system. Based in Structured Query Language (SQL), MySQL can run on most platforms and is mainly used for web-based applications. It is written in ...
本项目源码不追求炫酷动画或云端同步，核心价值在于：用 JavaFX 的 Scene Builder 可视化拖拽完成界面布局，用 ObservableList 实现商品列表的实时双向绑定，用 JDBC 封装层隔离 MySQL/SQLite 切换，所有逻辑压缩在单个 JAR 包内——你把它拷进 Win7 电脑、U 盘启动的 Linux 系统，甚至树莓派 4B 上，只要装了 OpenJDK ...
2. 选型决定工作量：Swing还是JavaFX，SQLite还是MySQL 这个标题里写了GUI和数据库，但没规定具体组合。选型才是第一个决定你工作量的大坑，我见过有人用JavaFX写了一个月界面，最后发现老师要求只能交Swing。选型一定要先问清楚交付要求，再动手。
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