classipadd.java

to find class and ip adderss

import java.net.*;
class classIpadd
{
	public static void main(String args[])
	
	{
		try
		{
			InetAddress ia=InetAddress.getLocalHost();
			System.out.println("my name is : "+ia.getHostName());
			System.out.println("my address is : "+ia.getHostAddress());
			byte address[]=ia.getAddress();
			if(address[0]>=128&&address[0]<=191)
			System.out.println("\n\t Local host Address is of class b");
			else if(address[0]>=192&&address[0]<=223)
			System.out.println("\n\t Local host Address is of class c");
			else if(address[0]<=127)
			System.out.println("\n\t Local host Address is of class a");
		}
		catch(UnknownHostException e)
		{
			System.out.println("could find the ipaddress");
		}
	}
}