网络(Internet)

(1)获取IP地址


 1 package JavaEE.JavaBaseExampleTest.Internet; 2  3 import java.net.InetAddress; 4 import java.net.UnknownHostException; 5  6 /** 7  * 使用 InetAddress 类的 InetAddress.getByName() 方法来获取指定主机(网址)的IP地址 8 */ 9 public class GetIP {10 public static void main(String[] args){11 InetAddress address = null;12 try {13 address = InetAddress.getByName("www.w3cschool.cn");14 }catch (UnknownHostException e){15 System.exit(2);16  }17 System.out.println(address.getHostName() + "=" + address.getHostAddress());18 System.exit(0);19  }20 }

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