InetAddressTest.java Source code

Introduction

Here is the source code for InetAddressTest.java

Source

/*
   This program is a part of the companion code for Core Java 8th ed.
   (http://horstmann.com/corejava)
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
    
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
    
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.net.InetAddress;

/**
 * This program demonstrates the InetAddress class. Supply a host name as command line argument, or
 * run without command line arguments to see the address of the local host.
 * @version 1.01 2001-06-26
 * @author Cay Horstmann
 */
public class InetAddressTest {
    public static void main(String[] args) {
        try {
            if (args.length > 0) {
                String host = args[0];
                InetAddress[] addresses = InetAddress.getAllByName(host);
                for (InetAddress a : addresses)
                    System.out.println(a);
            } else {
                InetAddress localHostAddress = InetAddress.getLocalHost();
                System.out.println(localHostAddress);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}