/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-03/java-new/2021-01-06/ExtendsTestProg.java

public class ExtendsTestProg {
    public static void main (String [] args) {
        ClassC cls = new ClassC ();
        cls.procedureA ();
        cls.procedureB ();
        cls.procedureC ();
    }
    
    public static class ClassA {
        public void procedureA () {
            System.out.println ("A");
        }
    }
    
    public static class ClassB extends ClassA {
        public void procedureB () {
            System.out.println ("B");
        }
    }

    public static class ClassC extends ClassB {
        public void procedureC () {
            System.out.println ("C");
        }
    }

}