what is the output of the program?

Problem statement:
what is the output of the following code?

1. public class A {
2.     public static void showMe() {
3.         System.out.println("A");
4.     }
5. }
6. class B extends A {
7.     public static void showMe() {
8.         System.out.println("B");
9.     }
10. }
11. class C extends B {
12.     public static void showMe() {
13.         System.out.println("C");
14.     }
15. }
16. class Main {
17.     public static void main(String[] args) {
18.         A a = new B();
19.         a.showMe();
20.         A a1 = new A();
21.         a1.showMe();
22.         B b = new C();
23.         b.showMe();
24.         C c = new C();
25.         c.showMe();
26.     }
27. }

Output:

A

A

B

C