226 Chapter 4 Case Programming Assignments FITNESS TRACKER APIP Create a requirements document and a Use Case Definition document and then design a Windows application based on the case project shown in Figure 4-100. Before writing the code, create an ev each event in the program. event-planning document for A fitness tracker app company has asked you to write a Windows application that its users can use to determine the total number of hours someone has exercised dur- ing their lifetimes, assuming they exercise an average should enter their first name, their birth date, and the current date. For both dates, ask for the month, day, and year separately in numeric form. To calculate the number of hours exercised, assume 365 days per year and 30 days per month. The program must display the user's name and the number of hours the user has exercised in his or her lifetime. The user can click a Clear button to clear all entries and results. An Exit button must be available to exit the application. of 2.5 hours per week. All users FIGURE 4-100