Jardin Ornamental con Interface ISync

public class JardinOrnamental {

    public static void main(String args[]) {

    ISync jardin = null;
    if (args.length == 0)
        jardin = new Jardin();
    else
        jardin = new JardinLimitado();

    Thread tAdmin = new Thread(new Admin(jardin));
    tAdmin.start();

    for (int i = 0; i < 20; ++i) {
        Thread t = new Thread(new Gente(jardin));
        t.start();
    }
    try {
        tAdmin.join();

    }
    catch(InterruptedException ie) { }
    }
}