Artifically create connection timeout error

ConnectTimeout.java

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;

public class Main {
    public static void main(String[] args) throws IOException, InterruptedException {
        URL url = new URL("http://10.255.255.1:8080");
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setConnectTimeout(1000);
        try {
            con.connect();
        } catch (SocketTimeoutException ex) {
            System.out.println("Connection timeout occured");
        } finally {
            con.disconnect();
        }
    }
}