Java简单模拟ping

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Ping {

	public static void pingCommand(String ping){
		try {
			Process process=Runtime.getRuntime().exec(ping);
			try {
				process.waitFor();//等待子进程完成再往下执行
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			BufferedReader br=new BufferedReader(new InputStreamReader( process.getInputStream()));
			String line=null;
			while((line=br.readLine())!=null){
				System.out.println(line);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	public static void main(String[] args) {
		Ping.pingCommand("ping 127.0.0.1");
	}

}