/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/2020-01-03/ExtendedTestProg.java

public class ExtendedTestProg {
    public static void main (String [] args) {
        class4 cls = new class4 ();
        cls.print4();
        cls.print3();
        cls.print2();
        cls.print1();
        cls.print0();
    }
    
    public static class class0 {
        static void print0 () {
            System.out.println ("0");
        }
    }
    public static class class1 extends class0 {
        static void print1 () {
            System.out.println ("1");
        }
    }
    public static class class2 extends class1 {
        static void print2 () {
            System.out.println ("2");
        }
    }
    public static class class3 extends class2 {
        static void print3 () {
            System.out.println ("3");
        }
    }
    public static class class4 extends class3 {
        static void print4 () {
            System.out.println ("4");
        }
    }


    

}