Extending Private Class

public class AnyOldClass {
    private static class PrivateStaticClass {
        protected void procedure() {
            System.out.println("PrivateStaticClass.procedure() says 'Hi!'");
        }
    }
    static class Subclass extends PrivateStaticClass {
        public void someOtherMethod() {
            super.procedure();
        }
    }
    public static void main(String[] args) {
        new Subclass().someOtherMethod();
    }
}