PRJ2 LastNameFirstInitial

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1. Create a Java Application Project named PRJ2[Last Name][First Initial]. As an example, if your name was Xavier Smith, then the project would be named PRJ2SmithX.
2. Review the requirements for the program (3 a. – 3 f.) then generate a test plan in a document named PRJ2SmithXTestPlan using the Test Plan Example document listed in Week 1 Activities as a guide.
3. Once you are in the IDE with the tabbed PRJ2SmithX.java in the Source window, begin developing the following program:
a. Declare all necessary identifiers.
b. Inside a while loop:
1. Accept decimal numbers using a Dialog Input Box (JOptionPane.showInputDialog()).
2. Verify that the correct number was entered. [It is assumed that the values will be greater than zero.]
3. Sum the decimal numbers as each is entered.
4. When the sum of the entered decimal numbers is above a total of 100 for the first time – and only the first time:
• Display a message with a Message Dialog Box (JOptionPane.showMessageDialog()) informing the user that the total number is ***** 100.
• In addition to the warning also display in the Message Dialog Box the actual total sum at that point.
• Do not show this message again for any additional entries above 100.
5. Keep a counter for the number of times a new decimal number is *****
6. Have a prompt asking the user when to end entering decimal numbers.
7. Use a sentinel to end the loop in combination with a prompt. [Review the usage of “while true { }” with a break command.]
c. After the loop, call a calculation method that will return the average from the sum and counter. [An example of the construction of a method/function with its “calling code” is listed at the end of the assignment.]
d. Call another method that will display the results of the processing in the program. This display has three lines in a single Message Dialog Box containing
• The total number of entries
• The sum of all the entries
• The average of the number of entries
Hint: A new line is displayed after each \n in the println in the Message Dialog Box.
e. When the user ends the program include a final line of text after a blank line, adding an appropriate ending message.
f. Add the appropriate documentation to the program as suggested in the Documentation for Programs document listed in Week 1 Activities as a guide.

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