Wednesday, 25th April 2012
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Obtaining the ip and hostname

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This example shows how it's possible in java to obtain the hostname for the host where the JVM is running. it's very simple, and it uses the InetAddress Class

Contents

the example 

import java.net.InetAddress;
import java.net.UnknownHostException;
 
public class Myhostname {
 
	public static void main(String[] args) {
		InetAddress addr = null;
		try {
			addr = InetAddress.getLocalHost();
		} catch (UnknownHostException e) {
			e.printStackTrace();
			return;
		}
 
		StringBuilder sb = new StringBuilder();
		sb.append("ip: ").append(addr.getHostAddress());
		sb.append("\nhostname: ").append(addr.getCanonicalHostName());
		System.out.println(sb.toString());
	}
 
}

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