How to get host-name from IP address using Java

HERE IS THE CODE :

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import java.net.InetAddress;

import java.net.UnknownHostException;

public class IPAddressToHostName {

public static void main(String[] args) {

try {

InetAddress host = InetAddress.getByName("74.125.236.146");

System.out.println(host.getHostName());

} catch (UnknownHostException ex) {

ex.printStackTrace();

}

}

}

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