Introduction - If you have any usage issues, please Google them yourself
Program uses menu-driven options, the user can receive commands from the keyboard of the five (1-5), the command functions are: (1) Press " 1" key to complete the string into uppercase letters lowercase letters (2) receiving user input to display a string (the end of a carriage return), the program will be one of the largest value of ASCII character code shown (3) Press " 3" key to complete the order (check one) (4) Press " 4 " key to display the time (5) Press" 5 " key to end the run, return to the system prompt