Inheritance Gotchas

public class Language {

    static String lang = "base language";

    static protected void printLanguage() {
        System.out.println(lang);
    }

    protected Language sayHello() {
        System.out.println("----");
        return this;
    }
}

public class Spanish extends Language {

    static String lang = "Spanish";

    static protected void printLanguage() {
        System.out.println(lang);
    }

    protected