JAV07 interface and inheritance of hands-on brain problem solving

hands - on: Write your own code to test the following features: In subclasses, to invoke methods overridden in a parent class, you can use the Super keyword.

1. Source code:

Package work;

Class a{

Public A () {

System.out.println ("Class A.");

}

Public A (String string) {

System.out.println ("Class A.") +string);

}}

Class B extends a{

Public B () {

Super ("string");

System.out.print ("Class B.");

}

}

public class Test01 extends B {

public static void Main (string[] args) {

b b=new B ();

}

}

2. Operation Result:

JAV07 interface and inheritance of hands-on brain problem solving