Write a program that prompts the user to enter a 10 alphabets (A-Z) and converts it to numbers using the following mapping:

A, B, C = 8

D, E, F = 6

G, H, I = 4

J, K, L = 5

M, N, 0 = 7

P, Q, R, S = 2

T, U, V, W = 3

X, Y, Z = 1

Please be sure to use Object Oriented Programming concepts when designing and writing code for this question. Complete class(es) (if more than > 1 class is required) and main() method is required.