class Main {
     public static void main(String [] args) {
             B b = new B();
      }
}

class A {
    private Object o;
     public A() {
        o = new Object();
        getValue();
     }

     protected void getValue() {
           o.toString();
     }
}

class B extends A {
      private Object o;

      public B() {
          super();
          o = new Object();
          getValue();
      }

      @Override
      public void getValue() {
          o.toString();
      }
}