main.java

exemple for using java chat client + server

/*
 * Main.java
 *
 * Created on 9 octobre 2008, 15:00
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package reseaux;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
 *
 * @author Administrateur
 */
public class Main {
    
    /** Creates a new instance of Main */
    public Main() {
    }
    
    /**
     * @param args the command line arguments
     */
   // public static void main(String[] args) throws UnknownHostException, IOException {
        // TODO code application logic here
        //InetAddress adress = InetAddress.getLocalHost();
      
        /*InetAddress adress = InetAddress.getByName("www.developpez.com");
        System.out.println("nom du hot"+ adress.getHostName());
        System.out.println("IP"+ adress.getHostAddress());*/
        
   // }
    
    static boolean isValidAddress(String host) {
		try {
			return InetAddress.getByName(host).isReachable(1);
		}
		catch(Exception e) {
			return false;
		}
	}
	
	/**
	 * @param args
	 * @throws UnknownHostException 
	 * @throws SocketException 
	 */
	public static void main(String[] args) throws Exception {
		System.out.println(isValidAddress("http://www.developpez.com"));
	}
}