2.1 JDK 与 eclipse 的版本匹配：环境变量配置先走一遍 安装 eclipse 之前，最容易出错的步骤是 JDK 版本没选对。典型场景是：电脑里装过多个 JDK，命令行下 java -version 显示的还是老版本，而 eclipse 里配置的 JRE 又指向另一个路径，编译时就会冒出各种 validate 错误。
本内容遵循CC 4.0 BY-SA版权协议 简介：这份资源是面向高校Java与大数据课程期末实践的银行管理系统完整项目，基于Eclipse开发、MySQL作为后台数据库，适合正在准备课程设计或需要巩固Java控制台 ...
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