JAVA ONLY!!

The international standard letterumber mapping found on the telephone is shown below: 1 3 2 ABC DEF 6 GHI JKL MNO 7 PQRS TUV WXYZ Write a program that reads a letter and displays its corresponding digit. Please call the class Telephone. Hints: You MUST use a switch statement on this. DO NOT use if/else statements on this assignment. Keep in mind that if an invalid input is given, the program should quit at that point, it should not display the final output of the number. Sample Outputs: E Console Telephone [Java Application] C:\P Enter an uppercase letter: F Console Telephone [Java Application] C: Pr Enter an uppercase letter: X The corresponding number is 9 e corresponding number is 3 Console Telephone [Java Application] C: Enter an uppercase letter: 2 is an invalid input