(Display a pie chart) Write a program that uses a pie chart to display the percentages of...

(Display a pie chart) Write a program that uses a pie chart to display the percentages of the overall grade represented by projects, quizzes, midterm exams, and the final exam, as shown in Figure 1c. Suppose that projects take 20 percent and are displayed in red, quizzes take 10 percent and are displayed in blue, midterm exams take 30 percent and are displayed in green, and the final exam takes 40 percent and is displayed in orange. Use the Arc class to display the pies. Interested readers may explore the JavaFX PieChart class for further study.

FIGURE 1 (a) Exercise 14.11 paints a smiley face. (b) Exercise 14.12 paints a bar chart. (c) Exercise 14.13 paints a pie chart.