Java千百问_03基础语法（015）_System.exit有什么用

Posted 2020-07-23 幽灵雾

点击进入_更多_Java千百问

1、System.exit(0)有什么用

查看java.lang.System的源代码，我们可以找到System.exit(status)这个方法，源代码如下：

public final class System {
   
/**
    * Terminates the currently running Java Virtual Machine. The
    * argument serves as a status code; by convention, a nonzero status
    * code indicates abnormal termination.
    * <p>
    * This method calls the <code>exit</code> method in class
    * <code>Runtime</code>. This method never returns normally.
    * <p>
    * The call <code>System.exit(n)</code> is eff