Javaexamples 简明教程 Example - Environment Javaexamples 简明教程 Java Environment - Programming Examples 学习如何在 Java 编程中使用环境。以下是通常使用的示例 − Learn how to play with Environment in Java programming. Here are most commonly used examples − How to compile a java file? How to run a class file? How to debug a java file? How to set classpath? How to view current classpath? How to set destination of the class file? How to run a compiled class file? How to check version of java running on your system? How to set classpath when class files are in .jar file?