Getting the IP Address and Hostname of the Local Machine

       
import java.net.InetAddress;

public class Main {
  public static void main(String[] argv) throws Exception {
    InetAddress addr = InetAddress.getLocalHost();

    // Get IP Address
    byte[] ipAddr = addr.getAddress();

    // Get hostname
    String hostname = addr.getHostName();
  }
}

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Getting the IP Address and Hostname of the Local Machine : IP Address « Network Protocol « Java

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