CST141 Project 9: Chapter 15

Create an investment-value calculator
--or--
Guess a number game

• Start a new project in NetBeans named "Project9" and select one of the two options below:

• Partial credit assignment (8½ points maximum):  Write the Create an investment-value calculator exercise (Exercise 15.5) exactly as presented in the textbook and implemented as follows:
  • The monthlyInterest in the formula is the annual interest divided by 12; then monthlyInterest still must be converted from a percentage to a decimal by dividing by 100
  • Use the JavaFX class Pos to right-align all the entries in the TextField's
  • Use the JavaFX class GridPane for layout of the form
  • Alternately use the "Simple Interest" formula below to calculate the futureValue (one point deduction or a maximum of 7½ points for doing this version of the project)
      futureValue = investmentAmount + (investmentAmount * numberOfYears * annualInterestRate)
• Full credit assignment (10 points maximum):  Create a Guess a number game exercise (not from the textbook) as follows:
  • At the beginning of the start() method the application generates and stores a random number between 1 and 1000
  • Design a form with (1) a TextField in which the user enters a number that is his/her guess of what the random number is (in one way or another prompt the user to enter their guess of this number into the TextField); (2) a Button which the user clicks to evaluate the guess; and (3) a Label that displays if the user's guess was "Too low" or "Too high" or "Correct"
  • Use one or more layout pane's of your own choosing to create the structure of the window that looks professional and appealing, so additionally pay attention to the usage of constants from the Pos class (one-half point deduction for "substandard" design layout)
  • The EventHandler should evaluate the user's input each time the Button is clicked; the user can click over and over again until the "guess" is correct
     
  • For full credit add a second Button which the user can click after guessing the number correctly that generates a new random number between 1 and 1000 so the game can be played again (one-half point deduction or a maximum of 9½ points if this element is missing)
  • Also for full credit include all appropriate exception handling for user input for an int as well as a last "catch all" Exception (one-half point deduction or a maximum of 9½ points if this element is missing)
  • (A full point deduction or a maximum grade of 9 points if both of these last two elements are missing)

• Document the program using the Javadoc standard by:

1. Including a substantive comment statement that describes the class's or interface's purpose, as well as substituting your name for the existing @author comment and the assignment due date for the @version comment that already exist at the top of each new class
2. Entering a substantive comment before each method (including the constructor) to describe its function along with @parameter, @return and @throws tags

• Students may work on all projects in teams of two or three, and, if so, all students in the group must submit the same project to their own dropboxes in Blackboard.  In the text box's dropbox, as well as in the source code documentation (comments), state the name(s) of the classmate(s) with whom you worked.
   
• When all steps are finished, create a ZIP archive of the entire project.  The completed project with a copy of all files from the NetBean "Project9" project submitted electronically via an attachment to a Blackboard dropbox is due to Prof. Struck by 11:59 p.m. on the date specified in the course outline.