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Don Winslow’s O gauge layout Dimensions: 6¼ x 12 feet Track and switches: Lionel (diameters range from 31 to 72… Walt Hiteshew’s O gauge layout Dimensions: 8½ ...

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Java 11 + Swing desktop app, layered UI → Service → DAO → Database with HikariCP over MySQL/MariaDB.

FreeCol: FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation.

简介：这是一套基于Java Swing与MySQL开发的学生信息管理系统实战项目，面向Java初学者、课程设计学生及小型管理类应用入门开发者，解决学生数据录入、维护与查询等基础业务场景需求。

在进入Java插件开发前，必须先说清楚JSR223脚本和Java插件的适用边界，不然容易走弯路。 JSR223组件可以内嵌Groovy、JavaScript等脚本语言，它的定位是“轻量级扩展”，适合快速实现小段逻辑，比如参数拼装、简单校验。 但JSR223方案有两个明显的短板。