Java判断主机是否能ping通代码实例

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代码实现如下：

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

/**
* Created by Miracle Luna on 2019/12/10
*/
public class PingUtil {
 public static void main(String[] args) {
   String host1 = "14.215.178.37";
   String host2 = "www.baidu.com";
   ping(host1);
   ping(host2);
 }

/**
  * 判断主机地址能不能 ping 通，此处主机地址可以域名或者IP
  * @param host
  * @return
  */
 public static void ping(String host) {
   try {
     InetAddress inetAddress = InetAddress.getByName(host);
     boolean reachable = inetAddress.isReachable(5*1000);
     if(reachable) {
       System.out.println("ping success. Host name: " + inetAddress.getHostName() + ", IP addr: " + inetAddress.getHostAddress());
     }else {
       System.out.println("ping failed.");
     }
   } catch (UnknownHostException e1) {
     e1.printStackTrace();
   } catch (IOException e2) {
     e2.printStackTrace();
   }
 }
}

运行结果如下：

ping success. Host name: 14.215.178.37, IP addr: 14.215.178.37
ping success. Host name: www.baidu.com, IP addr: 14.215.177.39

来源：https://www.cnblogs.com/miracle-luna/p/12026797.html