User Manual: This part is how you describe how to use your program. Menu and About Page (sample) OptionInputException for menu input and confirming exit

To effectively use the program and navigate through its features, follow the instructions outlined below. This guide includes details on the menu options, the About page, and how to handle exceptions related to user inputs.

1. Menu Options

1. Accessing the Menu: Open the program. You will be greeted with the main menu displaying various options.
2. Navigating the Menu: Use your keyboard's arrow keys to navigate through the menu options.
3. Selecting an Option: Press the 'Enter' key to select a highlighted option. Each option will perform a specific function as described in the manual.
4. Exiting the Program: To exit the program, navigate to the 'Exit' option and press 'Enter'. You will be prompted to confirm your exit decision.

2. About Page

1. Accessing the About Page: From the main menu, select the 'About' option.
2. Information Provided: The About page will display information regarding the program version, the developer's name, and other relevant details.
3. Returning to the Menu: You can return to the main menu by pressing the 'Back' option or key.

3. Handling Input Exceptions

1. Input Validation: When navigating through the menu, if you make an invalid selection (e.g., entering a non-numeric value when a number is expected), the program will throw an OptionInputException.
2. Exception Message: The program will display a relevant message indicating that the input was invalid. For example: "Invalid selection. Please enter a valid option."
3. Retrying Input: After receiving an exception message, you will be allowed to retry your input. Simply enter your selection again following the menu instructions.

4. Confirming Exit

1. Exit Confirmation Prompt: When you attempt to exit, a prompt will appear asking, “Are you sure you want to exit? (Y/N)”
2. Responding to the Prompt:
   • If you select 'Y', the program will close.
   • If you select 'N', you will return to the menu.

Conclusion

This user manual provides a clear approach to using the program's features, navigating through its menus, and handling exceptions gracefully. For any additional assistance, consult the support documentation or contact the developer directly.