/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/2021-01-19/ExtendedTestProg.java

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

}