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 () {}
}
}