JDiy是一款超轻量级的java开源框架。可以应用在javaSE/javaEE,javaWeb项目中，内置一款javaWEB智能开发平台，内有详细配置文档-JDiy is an ultra lightweight java open source framework.Can be applied in javaSE/javaEE, javaWeb project, built a javaWEB smart development platform, with detailed configur

javase的PDF 里面讲解了java set集合 map集合的用法，主要介绍了hashmap的机制-javase PDF inside to explain the usage of the java set a collection of map collection mechanism, introduces the hashmap

javase基础课程的课程案例，非常适合初学者。-Case javase basic course curriculum, very suitable for beginners.