Final answer:
A C++ OOP application for creating two clocks requires defining classes for analog and digital clocks, incorporating user input, and handling time-related operations such as elapsed time and schedules.
Step-by-step explanation:
Creating Two Clocks in C++
To develop an object-oriented programming application in C++ that creates two clocks (Analog and Digital) displaying simultaneously with user input, you would need to define classes for each type of clock. Both clocks should be capable of convert between analog and digital formats and calculate elapsed time. The program should also handle user input securely, ensuring the input is validated before it's processed. This may involve using standard C++ input libraries and functions with error checking. Furthermore, the application could include operations such as match the time, and work with schedules and time operations involving fractions, which are relevant to various real-world contexts.
An essential part of the program will be handling elapsed time applications, such as calculating the difference between times, using a 24-hour format if necessary. The application may also incorporate four operations (addition, subtraction, multiplication, and division) with time and use them in practical applications, like solving word problems or scheduling.
Developing such an application would be quite advanced, requiring a solid understanding of both C++ programming and the principles of object-oriented design, as well as familiarity with time-related functions and user interface design for secure input handling.