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。

在上一篇中，我们学习了如何编译第一个Java程序。运行Java文件时，通常需在文件所在盘符下操作。但通过设置classpath，可以指定类文件的路径，从而在任意盘符下运行存放在其他位置的Java程序，极大提升了操作的灵活性与便捷性。 1、 已将编写好的Java小程序 ...

In a previous blog posting, I listed some “everyday problems” Java developers will often face and included some ideas and links related to addressing these issues. One of the focal points of that post ...

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 ...

On my project, we use Maven to build our software and FitNesse to write functional specifications. However, it was obvious that FitNesse wasn’t designed by Maven-fans. When I use Maven, I already have ...