For the following exercises, use the incremental development methodology to implement th...

For the following exercises, use the incremental development methodology to implement the program. For each exercise, identify the program tasks, create a design document with class descriptions, and draw the program diagram. Map out the development steps at the start. Present any design alternatives and justify your selection. Be sure to perform adequate testing at the end of each development step.

Write an application that teaches children fraction arithmetic. For each training session, randomly generate 10 questions involving addition, subtraction, division, and multiplication of two fractions. At the beginning of each session, the user has the option of specifying the time limit for answering the questions. If the time limit is not specified, then use 30 s as a default time limit. After you pose a question, wait until the user answers the question. Award points based on the following rules:

After one session is over, use the console output to display the grade distribution and the total points in the following manner:

After one session is over, give the user the option to play another session.