| package test;  /**  * Add one sentence class summary here.  * Add class description here.  *  * @author lxx  * @version 1.0, 2004-11-16  */ public class TestCmd {     public TestCmd(){}    /* public  void main(String args[]){         try {           Process process = Runtime.getRuntime().exec("cmd.exe  /c  start  http://www.csdn.net");  //登录网站           Process process = Runtime.getRuntime().exec("cmd.exe  /c  start  ping 10.144.98.100");  //调用Ping命令         }catch (Exception  e)         {             e.printStackTrace();             }                  }     }  */
  //在项目下建立一个名为hello的文件夹     public static void main(String[] args) {         System.out.println(System.getProperty("user.dir"));         createFolder("hello");       }      private static void createFolder(String folderName) {        String temp = System.getProperty("user.dir") + java.io.File.separator+ folderName;        java.io.File f = new java.io.File(temp);        f.mkdirs();      }  }
 
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