Private methods in Inheritance

Question

Here\'s an interesting code snippet:

public class Superclass {

    public static void main (String[] args){
        Superclass obj = new Subclass();
                


        

Answer 1

When you used this line:

Superclass obj = new Subclass();

You casted Subclass into a Superclass Object, which uses only the methods of the Superclass and the same data. If you casted it back into a Subclass, you could use the Subclass methods again, like so:

((Subclass)obj).doSomething(); #prints "from Subclass"