Need help doing this code within JAVA please help

(List City First Letter) Write a program that prompts the user to enter cities and end when done write a loop that prints out the first letter for each city. You must use a loop for this program SAMPLE RUN \#1: Enter a city (end when done): Dallas Enter a city (end when done): San Josed Enter a city (end when done): Austine Enter a city (end when done): endel The first letter of each city is: D 5 A