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Question

I have an assignment due soon in Java. My problem is i can read the code, but unfortunately cannot problem solve. If interested get in touch.

Answer 1

QUESTION 1
(a)     Develop a JAVA method(subroutine) using nested loops called solidDiamond, so that when called it will generate the type of pattern shown below. It should have a parameter called size that specifies the number of asterisks appearing along any side of the pattern. Show how it would be called to generate the pattern below.
(b)     Develop a similar method called hollowDiamond to generate the following type of pattern.
(c)     Hence, or otherwise, develop a program to generate the following type of pattern, where alternate rows are blank, regardless of the size of the diamond.                                                                      
                                                                                                                                       (25 marks)
QUESTION 2
Develop a program that simulates the computer chess type game with the computer and a player alternatively placing Queen pieces on a chess board in positions where they are not being attacked by other Queen pieces already on the board. Remember that a Queen piece can attack along any Row, Column, or Diagonal of the board. All Queen pieces on the board can potentially attack each other (so the colour of a Queen is not relevant � assume they are all the same colour). Neither the computer or the player should place a piece in an occupied position. If the player puts a piece in a position where it is being attacked the game should report this and give the player another chance to reposition that piece in a safe position. Your testing should show the game developing over a number of moves (possibly 5 or more). You should display the board after each move as an 8X8 grid with �X� representing an occupied position and �O� representing an unoccupied position.
Hint: You can represent the chess board as an 8X8 boolean array. When a position is occupied that position is set to TRUE, otherwise it is FALSE.                    (25 marks)
QUESTION 3
The following details on performance in a module are held on students, where the Registration Number is unique to each student and the information is stored in ascending Registration Number order.
Coursework Results (Registration Number , Name, CourseworkMark (percentage to two decimal place) in a file called �CourseWork.dat�)
For example:
451234 Bloggs_Joe 56.00
451236 Green_Peter 32.00
451237 Lunney_Tom 67.00
452356 Jones_Mary 45.00
452357 Brown_Harry 46.00
454567 Doherty_Marie 62.50
454568 Sweeney_Tom 32.00
454666 McKevitt_Paul 69.00
454667 McGregor_Stephen 56.00
454669 Hill_Jane 88.00
454670 Millar_Trevor 70
-1
Similarly the examination results are stored in the same format, but the name of the student is not included as anonymous marking is employed.
Examination Results (Registration Number, ExaminationMark (percentage to two decimal place) in a file called �Examination.dat�)
For example:
451234 60.00
451236 34.00
451237 60.00
452356 27.00
452357 36.00
454567 60.00
454568 56.00
454666 62.00
454667 64.00
454669 30.00
454670 37.00
-1
(a)     Develop a program that will read the details from these two data files and generate a file called PassList.res with the following information:
Reg. No. StudentName Coursework Examination Overall Mark
===== ======== ======= ======== =======
Assume the coursework and examination elements each contribute equally towards the final mark. Also assume that there are no details missing in the two data files. To pass a student must obtain an overall mark of 40% at least, with the percentage of each component being at least 40%. Alternatively, if either the coursework or examination mark falls between 35% and 40%, then a condoned pass is allowed if the overall mark is at least 45%.
(b)     Generate a list of students (in a file called RetakeList.res) who have to retake either the Coursework or Examination component for this module and specify what has to be taken, for example
     Reg. No. StudentName CW EX
     ======== =========== == ==
     451236 Green_Peter X X
     452356 Jones_Mary X
     452357 Brown_Harry X
     454568 Sweeney_Tom X
     454669 Hill_Jane X
     +++ End of Results +++
                                             (25 marks)
QUESTION 4
Using the same file type information as question 3 (above), develop a program that will carry out statistical analysis on the performance of the student cohort, producing the following type of results in a file called Statistics.res.
Analysis of Module Marks
=====================
Coursework Average = 56.68
1-29 30-39 40-49 50-69 70-100
N 0 2 2 5 2
% 0.00 18.18 18.18 45.45 18.18
Examination Average = 47.82
1-29 30-39 40-49 50-69 70-100
N 1 4 0 6 0
% 9.09 36.36 0.00 54.55 0.00
Total Average = 52.25
1-29 30-39 40-49 50-69 70-100
N 0 2 2 7 0
% 0.00 18.18 18.18 63.64 0.00
+++ End of Results +++
Note. All programs should be properly documented and tested and the solutions presented should include a program listing with sample input and resulting output. Include any stepwise refinement you carried out.
Also comment on any difficulties/problems encountered.
Learning Outcomes:
1.     An understanding of the role and use of methods/subroutines
2.     Further development of file handling techniques and its use in test analysis
3.     Selecting appropriate program construct for array manipulation.
4.     Ability to develop and use sorting algorithms to sort non trivial data
Note. Each solution will be marked with the following guideline criteria in mind:
1)     The program uses appropriate programming constructs (e.g. while loop)
2)     The program is properly documented (i.e. appropriate comments) and indentation is used correctly
3)     The program is tested to cover the main input/output scenarios and the correct results obtained in each case.
4)     There is an appropriate report that comments on the results produced by each program and any difficulties
encountered when developing the solutions.
What do you think? If your interested think of a price and get back to me at [email protected] and we can discuss. Thx