FakeDNSTest.java

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

//run with option --add-opens java.base/java.net=ALL-UNNAMED

public class FakeDNSTest {

 public static void main(String[] args){ 
 FakeDNS fakeDns=FakeDNS.getInstance();
 fakeDns.install(); 
 try {
 fakeDns.addForwardResolution("test",InetAddress.getByName("192.168.142.2"));
 System.out.println(InetAddress.getByName("www.163.com").getHostAddress());
 System.out.println(InetAddress.getByName("test").getHostAddress());
 } catch (UnknownHostException e) {
 e.printStackTrace();
 }
 }
}