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 ...

Java's Chief Architect, Mark Reinhold, offered one of the most exciting presentations during the 2015 JavaOne keynote talk on Sunday. He whetted the appetite of the audience for positive change with a ...

Why, of course, by virtually starting up the Java class and pushing the buttons, so to speak. You test a Java class by calling methods on it from another Java class. The following Java source file is ...

Developed by Danga Interactive to improve site performance on LiveJournal.com, Memcached‘s distributed architecture today supports the exponential scalability of social web applications like Twitter, ...