Java Interfaces and inheritance

Class Grandparent {

Public grandparent () {
        System.out.println ("Grandparent Created.");
    }

    Public grandparent (String string) {
        System.out.println ("Grandparent created.string:" + String);
    }
}

Class Parent extends Grandparent {

    Public Parent () {
        Super ("hello.grandparent.");
        System.out.println ("Parent Created");
       Super ("hello.grandparent.");
    }
}

Class Child extends Parent {

    Public Child () {
        System.out.println ("Child Created");
    }
}

public class Testinherits {

    public static void Main (String args[]) {
        Child C = new Child ();
    }
}

Public for a common class, children inherit parents, parents inherit grandparents
Calling the base class construction method through super must be the first statement in the subclass construction method.

Java Interfaces and inheritance