/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-03/java-new/2021-01-07/ExtendedTestProg.java

public class ExtendedTestProg {
    public static void main (String [] args) {
        ClassC clsC = new ClassC ();
        
        clsC.printA ();
        clsC.printB ();
        clsC.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");}
    }

}