Overview: COVID-19 cases have been increased in the last period. As a result, Ministry of Health has decided to make a simple application to keep track of all citizens and their vaccination status. In this TMA, it is required to help the Ministry implement the required application. Requirements: After a quick meeting with the employee in charge, you got the following information: • tis required to store the whole data in one collection • Each citizen has a unique civil ID number (national number), name and other attributes (add at least 2 attributes from your choice). In addition, it is required to store information about all doses taken by the citizen. • For each dose, the following information should be stored: manufacturer, when and where has been taken, and information about the health professional who gave it. • Each health professional has a unique civil ID number, name, and it is required to store his/her experience (in years). Moreover, you have been informed that the following operations happen frequently: • Adding a new citizen to the list • Adding a new dose to a specified citizen • Retrieving number of fully vaccinated persons (who toke at least 2 doses) • Saving all the data into a text file after sorting them according to Civil ID. Analysis: Q1: There are common attributes and methods between citizen and health professional. What is the best choice for designing and writing the codes of these two classes? Explain your answer. Q2: Draw a simple class diagram showing only relationships between the classes. Implementation: After analysing the given requirements, implement the required application: • with Object Oriented Programming style • following the rules of good programming style (e.g. adding comments, etc.) • using only the material covered in M251 (and its prerequisites) Hints: For each class, it is required to implement constructors, setters, getters, toString() method, and any other necessary method

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If the user tries to do an operation that could violate the state of objects, the operation
should be ignored and the application should display an error message (e.g. adding a citizen
twice to the list, etc.)
• Checking equality of any 2 objects should be done via the equals() method
There is a class that will do the main job of the application as follows:
o It has one collection to store the whole data (all citizens)
o It has static methods, one for each operation happens frequently
o When you add a citizen to the list, a message should be displayed to the user to explain
the status of the operation (i.e. if it was successful or not)
Testing:
After implementing the required classes, design and implement a testing class to test them as
follows:
• Add at least 7 citizens to the collection that stores the whole data
• Add 1, 2 and 3 doses to different citizens and keep some citizens unvaccinated
Try to violate the state of the objects and show that your code prevents all violations.
• Show that the other operations that happen frequently are working fine
• At the end, the whole data should be saved into a text file and this file should be saved
automatically inside the folder contains your Java project
Transcribed Image Text:If the user tries to do an operation that could violate the state of objects, the operation should be ignored and the application should display an error message (e.g. adding a citizen twice to the list, etc.) • Checking equality of any 2 objects should be done via the equals() method There is a class that will do the main job of the application as follows: o It has one collection to store the whole data (all citizens) o It has static methods, one for each operation happens frequently o When you add a citizen to the list, a message should be displayed to the user to explain the status of the operation (i.e. if it was successful or not) Testing: After implementing the required classes, design and implement a testing class to test them as follows: • Add at least 7 citizens to the collection that stores the whole data • Add 1, 2 and 3 doses to different citizens and keep some citizens unvaccinated Try to violate the state of the objects and show that your code prevents all violations. • Show that the other operations that happen frequently are working fine • At the end, the whole data should be saved into a text file and this file should be saved automatically inside the folder contains your Java project
Overview:
COVID-19 cases have been increased in the last period. As a result, Ministry of Health has
decided to make a simple application to keep track of all citizens and their vaccination status.
In this TMA, it is required to help the Ministry implement the required application.
Requirements:
After a quick meeting with the employee in charge, you got the following information:
It is required to store the whole data in one collection
• Each citizen has a unique civil ID number (national number), name and other attributes (add
at least 2 attributes from your choice). In addition, it is required to store information about
all doses taken by the citizen.
• For each dose, the following information should be stored: manufacturer, when and where
has been taken, and information about the health professional who gave it.
• Each health professional has a unique civil ID number, name, and it is required to store
his/her experience (in years).
Moreover, you have been informed that the following operations happen frequently:
• Adding a new citizen to the list
• Adding a new dose to a specified citizen
• Retrieving number of fully vaccinated persons (who toke at least 2 doses)
• Saving all the data into a text file after sorting them according to Civil ID.
Analysis:
Q1: There are common attributes and methods between citizen and health professional. What
is the best choice for designing and writing the codes of these two classes? Explain your
answer.
Q2: Draw a simple class diagram showing only relationships between the classes.
Implementation:
After analysing the given requirements, implement the required application:
• with Object Oriented Programming style
• following the rules of good programming style (e.g. adding comments, etc.)
• using only the material covered in M251 (and its prerequisites)
Hints:
• For each class, it is required to implement constructors, setters, getters, toString() method,
and any other necessary method
2
Transcribed Image Text:Overview: COVID-19 cases have been increased in the last period. As a result, Ministry of Health has decided to make a simple application to keep track of all citizens and their vaccination status. In this TMA, it is required to help the Ministry implement the required application. Requirements: After a quick meeting with the employee in charge, you got the following information: It is required to store the whole data in one collection • Each citizen has a unique civil ID number (national number), name and other attributes (add at least 2 attributes from your choice). In addition, it is required to store information about all doses taken by the citizen. • For each dose, the following information should be stored: manufacturer, when and where has been taken, and information about the health professional who gave it. • Each health professional has a unique civil ID number, name, and it is required to store his/her experience (in years). Moreover, you have been informed that the following operations happen frequently: • Adding a new citizen to the list • Adding a new dose to a specified citizen • Retrieving number of fully vaccinated persons (who toke at least 2 doses) • Saving all the data into a text file after sorting them according to Civil ID. Analysis: Q1: There are common attributes and methods between citizen and health professional. What is the best choice for designing and writing the codes of these two classes? Explain your answer. Q2: Draw a simple class diagram showing only relationships between the classes. Implementation: After analysing the given requirements, implement the required application: • with Object Oriented Programming style • following the rules of good programming style (e.g. adding comments, etc.) • using only the material covered in M251 (and its prerequisites) Hints: • For each class, it is required to implement constructors, setters, getters, toString() method, and any other necessary method 2
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