Question: public class Main { public static void main ( String args [ ] ) { A ref = new B ( ) ;ref.data = 3

public class Main {public static void main (String args[]){A ref = new B();ref.data =3;int data =4;ref. show (7);}class A {public int data;public void show(){System. out println(data);}class B extends A {public void show(int data){System. out printin(data);

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