Java Example - Connect to the specified host using Socket

The following example demonstrates how to use the getInetAddress() method of the net.Socket class to connect to a specified host:

/*
 author by w3cschool.cc
 WebPing.java
 */import java.net.InetAddress;import java.net.Socket;public class WebPing {
   public static void main(String[] args) {
      try {
         InetAddress addr;
         Socket sock = new Socket("www.w3cschool.cc", 80);
         addr = sock.getInetAddress();
         System.out.println("连接到 " + addr);
         sock.close();
      } catch (java.io.IOException e) {
         System.out.println("无法连接 " + args[0]);
         System.out.println(e);
      }
   }}

The output result of the above code is:

连接到 http:/www.w3cschool.cc/222.73.134.120

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