Overriding

[K Anshul]

 public class Demo {
 
   public static void main(String []args) {
 
    A ref1 = new C();
B ref2 = (B)ref1;
    System.out.println(ref2.g());
 
   }
}
 
class A {
   private int f() {
    return 0; 
}
   public int g() {
      return 3;
   }
}
 
class B extends A {
   private int f() {
    return 1; 
}
   public int g() {
      return f();
   }
}
class C extends B {
   public int f() {
      return 2;
   }
}
 

output: 1

Object is of class C so C's g() is called(which is the one it inherits from B bcoz does not have it's own g()).
Now this g() calls f(). Shouldn't it call C's f() because underlying object is C. Why does it call B's f() ?

thanks

[Barry Gaunt]

Notice that in class B the method f() is private. So C has not overridden B's f(). So in B's g() method, the call to method f() is its own private f().

Another thing to notice is that class A's f() method is private, so B and C can't use that method either.

[K Anshul]

If i remove private from B's f() then i get the output as 2.
Does that mean first it looks for the overridden f() and if it's not there then B's f() is called?
Can't get the reason for this.