HostName And IP Address In Java

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import java.net.InetAddress;

public class JavaHostNameFromIP {

	public static void main(String[] argv) throws Exception {

		InetAddress addr = InetAddress.getByName("google.com");
		System.out.println("Host name is: " + addr.getHostName());
		System.out.println("Ip address is: " + addr.getHostAddress());
	}
}

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