Java中实现 cmd

Java中实现 cmd 功能

如 cmd中的 ping：

import java.io.*;

public class Ping
{
??? public static void main(String args[])
??? {
??????? String line = null;
??????? try
??????? {
??????????? Process pro = Runtime.getRuntime().exec("ping 127.0.0.1 ");
??????????? BufferedReader buf = new BufferedReader(new InputStreamReader(pro.getInputStream()));
??????????? while ((line = buf.readLine()) != null)
??????????????? System.out.println(line);

?

???????
??????? }
??????? catch (Exception ex)
??????? {
??????????? System.out.println(ex.getMessage());
??????? }
??? }

}