import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;

/**
 * @author: geng by
 * @createDate: 2022/8/1
 */
public class Test {

    @org.junit.Test
    public void test() throws UnknownHostException {
        InetAddress localHost = Inet4Address.getLocalHost();
        System.out.println(localHost.getHostAddress());
    }
}