Method Overriding Java Interview Questions for All

class A
{
   private void hello()
 {
            System.out.println("hi in class A");
  }

}
class B extends A
{
  private void hello()   //Question is is this method overriding or not ?? please post your comments I   will  reply for the same
 {
            System.out.println("hi in class B");
  }
}

class D extends B
{
   protected void hello()                  // is this overriding B class method or not justify
  {
                System.out.println("hi in class D");
  }
class C
{
 public static void main(String...  args)
  {
             B b1=new B();
              b1.hello();
            A a1=new B();
             a1.hello(); //  Another Question will this execute if yes explain ?n if no ,justify
  
  }
}


class X
{
    private void hello()
    {
        System.out.println("HI I am A");
    }
}
class Y extends X
{
    protected void hello()
    {
        System.out.println("HI I am B");
    }
}
class Z extends Y
{
    private void hello()                      ///cannt reducwe the visibility from protected to private
    {
        System.out.println("HI I am C");
    }
}
public class InheritanceDemo {
   
    public static void main(String[] args)
    {
     X x1=new Y();
     x1.hello();//it will throw complie time error becoz confused X private method or Y
   
    }

}