为什么要配置classpath变量？ 配置classpath变量，才能使得java解释器知道到哪里去找标准类库，这些标准类库是别人已经写好了的，我们只管使用。比如我们常用到java.lang包中的类，在配置classpath变量后被设为默认导入，所以在写程序时就不用import这个包了。

At one time or another, developers experience frustration when dealing with the Java classpath. It’s not always clear which class the class loader will load, especially when your application’s ...

归纳一些网上取JAVA路径的方法： 注明：如果从ANT启动程序，this.getClass().getResource("")取出来的比较怪，直接用JAVA命令行调试就可成功。 归纳一些网上取JAVA路径的方法： 注明：如果从ANT启动程序，this.getClass().getResource("")取出来的比较怪，直接用JAVA命令行调试就 ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...

The Eclipse Foundation has just announced the release of a new version of the Eclipse Buildship project, which integrates the Gradle build tool with Eclipse. Version 2.2 supports Java 9 and introduces ...