/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-2021-05-8/disk10-ab-2020-01-10/02-debian-pc2-work/informatik/java-new/2021-01-09/ExtendedTestProg.java

public class ExtendedTestProg {
    public static void main (String [] args) {
        ClassC cls = new ClassC ();
        cls.printA ();
        cls.printB ();
        cls.printC ();
    
    }
    
    public static class ClassA {
        public void printA () {
            System.out.println ("A");
        }
    }
    public static class ClassB extends ClassA {
        public void printB () {
            System.out.println ("B");
        }
    }
    public static class ClassC extends ClassB {
        public void printC () {
            System.out.println ("C");
        }
        ClassC () {}
    }

}