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SSK3100_Lab 6
GroupLab 7/ page 1
Faculty of Computer Science and Information Technology
SSK 3100 (Computer Programming I)
Semester I 2020/2021
Lab 6 (Week 9 & 10)
Topics:
Develop modular programs by dividing problems into sub-problems (Methods)
Learning Outcome:
At the end of this course, student should be able to :
 Construct program from PAC, IC and flowchart
 Construct program using methods
 Analyse and solve programming problem using stepwise refinement approach
Instructions:
1. Answer all questions below
2. Produce PAC, IC, flow chart and write a program for all questions.
3. Update IC and flowchart for questions 3 based on Lab Assignment 5
4. Demo question 1, 2 and 4 during lab session. Submit the assignment to the
demonstrator before the lab session ends during the submission week (Week 10)
** Copy or other forms of cheating are forbidden. The faculty has very strong rules about this,
and the penalties may be severe. The standard penalty for the first offence is to award 0 to all
parties concerned.
Questions
1. USING METHODS
Write a class that contains the following two methods:
// converts from Celcius to Fahrenheit
public static double CelciusToFahrenheit (double celcius)
// converts from Fahrenheit to Celcius
public static double FahrenheitToCelcius (double fahrenheit)
Round the result to two floating points number. The formula for conversion is:
fahrenheit = (9.0 / 5) * celcius + 32
Write a program that invokes these methods to display the following tables:
Celsius Fahrenheit | Fahrenheit Celsius
40.00 104.00 | 120.00 48.89
39.00 102.20 | 110.00 43.33
2. Write a program that reads two integer values into variables no1 and no2. Then displays
results of their differences (no2–no1 and no1–no2), quotients (no2/no1, and no1/no2) and
remainder no1%no2 and no2%no1. Create three (3) methods with two arguments which
are the two integer values and calculate the result from each process. Consider all method
no return value (void). Example output, if the numbers are 4 and 5, the line that shows their
output should displayed as:
5- 4 = 1
4 – 5 = -1
5 / 4 = 1
4 / 5 = 0
5 % 4 = 1
4 % 5 = 4
Use this format for each output line.
3. Update the following application software (continue your Lab 5, Question 4)
Assume that you are hired to develop application software which is designed specifically for
the SSK3100 Computer Programming course. The application software will be used among
the lecturers who taught the course. The application software should be able to calculate the
total marks accumulated by each student registered for the course. In order to calculate the
total marks, the lecturer need to input the marks obtained by each student for First Test,
Second Test, Assignments, and Final Examination. The following is the distribution of
percentages taken for the calculation of the total mark:
• First Test will take 20%. The full mark for the test is 50.
• Second Test will take 20%. The full mark for the test is 50.
• Assignments will take 30%. Assume that 3 assignments will be given for the student, and
each assignment carries 30 marks.
• Final Examination will take 30%. The full mark for the examination is 100.
The application software shall display all the marks for each evaluation, including total marks
in 100%. Find the grade based on the total mark. Grade is identified based on the following
table:
Total Marks (100%) Grade
Separate the problem into these following two sub problems:
a. calculate total marks (return total mark)
b. determine grade

Identify and propose another two sub problems from the main problem.
SSK3100_Lab 6
GroupLab 7/ page 3
4. Write a program with these 4 methods that does the followings:
a. Method readNumber : Reads five data (type double) from user and stores them
in variables a, b, c, d, and e.
b. Method calcTotalNumber : Calculates the total of the five data read (type double)
from question a. and stores the result in a variable named total. Return the total
to called method.
c. Method calcAverange : Calculates the average using return value from question
b. and stores the result in a variable named average. Return the average to
called method.
d. Method displayResults : Displays the all five numbers, total and average value.
Identify suitable parameters that need to be pass to the method. Use local
variables/parameters and return value for data sharing, instead of global variables.
5. Conversion Program
Write a program that asks the user to enter a money in MYR(Malaysian Ringgit). The
program will then present the following menu of selections:
1. Convert to USD (United State Dollar)
2. Convert to GBP (British Pound Sterling)
3. Convert to SAR (Saudi Riyal)
4. Quit the program
Write a void method named menuForMoneyConversion that displays the menu of
selections. This method should not accept any arguments. The program should continue to
display the menu until the user enters 4 to quit the program.
Depending on the user's selection, write an appropriate method based on the following
information:
• money convertion MYR to USD, which accepts the number of MYRMoney as an
argument. The method should display the argument converted to USDMoney. The
convertion formula: USDMoney = MYRMoney * 0.4006
• money convertion MYR to GBP, which accepts the number of MYRMoney as an
argument. The method should display the argument converted to GBPMoney. The
convertion formula: GBPMoney = MYRMoney * 0.2890
• money convertion MYR to SAR, which accepts the number of MYRMoney as an
argument. The method should display the argument converted to SARMoney. The
convertion formula: SARMoney = MYRMoney * 1.1293
• The program should not accept negative numbers for the money in MYRMoney.
• If the user selects and invalid choice from the menu, the program should display an
error message.

SSK3100编程讲解、辅导Programming编程语言、讲解Python，Java程序设计 辅导留学生 Statistics统计、回归、迭代|讲解留学生

SSK3100编程讲解、辅导Programming编程语言、讲解Python，Java程序设计辅导留学生 Statistics统计、回归、迭代|讲解留学生