ITC538 | APPLICATION OF PROGRAMMING IN JAVA

ITC538 | FINAL EXAM JAVA
March 21, 2018
HI6006 Competitive Strategy
ITC538 | DESIGNING OBJECT ORIENTED PROGRAM
March 21, 2018

ITC538 | APPLICATION OF PROGRAMMING IN JAVA

HI6006 Competitive Strategy

ITC538 | APPLICATION OF PROGRAMMING IN JAVA | JAVA

JAVA ASSIGNMENT HELP

Task

Assessment 3 has 20 marks in total. Marks will be scaled according to the value of the assignment.

Assessment 3 has four Tasks. Task 1, Task 2, Task3 and Task4 as below:

Task 1: Value 5 marks

In this task, you are required to provide the definition of a class called Student, which represents a typical (but a very limited) university student. Each student has a name (which consists of a string of characters) and a unique student identification (ID) number (consisting of a string of exactly six numerical digits).

You are also required to define a class called TestStudent, which will be used to perform a number of test used to among other things, verify the correctness of the Student class.

In order to maintain the uniqueness of the student ID, your program will need to check that any new IDs supplied by the user is not the same as any of the existing student IDs.

Following are a list of specifications of the Student class:

  • Two fields name and id representing the student name and the student ID respectively as described above
  • Get and set methods for each field (getName(), getId(), setName(), setId()) A toString() method that returns a string description of a given student object
  • An isValidId() method which accepts a string representing a possible new student ID as an argument and returns a boolean value (true or false) indicating whether the new ID satisfies the structural requirements of the student ID or not
  • A IdExists() which accepts a string argument representing a possible new student ID and returns a boolean value indicating whether the new ID is already being used by another student or not

Your TestStudent class should be able to perform the following functions:

  • Create an ArrayList object of Student objects called studentList, using the student data stored in a text file named students.txt (you should create this file such that it stores the student name and ID of several students initially – one line per student)
  • Allow the user to add as many new Student objects as the user requests to the ArrayList ensuring that each student has a unique student ID
  • When the user has finished adding new students to the list, the program will override the students.txt file such that it includes the data relating to the new students as well as the original ones
  • Ability to display a full list of students as well as just the existing student IDs when necessary

Ensure that the program is appropriately documented throughout and thoroughly tested to demonstrate its correct operation.

You need to submit java and class files, a short discussion to explain the logic on how the problem has been solved, and sample output (for detail please see marking criteria and presentation below).

Task 2: Value 8 marks

In this task, you are required to provide complete class definitions and then create instances of various classes and use methods to perform various tests.

(a) Define an abstract class called Staff with the following fields and methods:

  • Fields: name, id, position representing the name, staff id and the position of a staff member in an organisation. Encapsulation should be used to protect these fields against intentional or accidental, direct modification
  • Constructors: a no-args/default constructor, and an overloaded constructor to initialise the fields to appropriate values when the instances of the class are created
  • Methods: a toString() method to print a string representation of the objects, get and set methods to provide access to each of the three fields

(b) Define a subclass of the Staff class called FullTimeStaff with the following additional field and methods:

  • Field: researchArea,a string variable representing the research are of the staff member. Again, encapsulation should be used to protect this field against intentional or accidental, direct modification
  • Constructors: a no-args/default constructor, and an overloaded constructor to initialise the fields to appropriate values when the instances of the class are created
  • Methods: a toString() method to print a string representation of the objects, additional get and set methods as required to provide access to the field

(c) Define a subclass of the Staff class called PartTimeStaff with the following additional field and methods:

  • Field: timeFraction representing the time fraction of a part-time staff member. This would be a number between 0.1 and 1.0. Again, encapsulation should be used to protect this field against intentional or accidental, direct modification
  • Constructors: a no-args/default constructor, and an overloaded constructor to initialise the fields to appropriate values when the instances of the class are created
  • Methods: a toString() method to print a string representation of the objects, additional get and set methods as required to provide access to the field

(d) Define another subclass of the Staff class called CasualStaff with the following additional field and methods:

  • Field: hours representing the number of hours that the casual staff member works at the organisation. Again, encapsulation should be used to protect this field against intentional or accidental, direct modification
  • Constructors: a no-args/default constructor, and an overloaded constructor to initialise the fields to appropriate values when the instances of the class are created
  • Methods: a toString() method to print a string representation of the objects, additional get and set methods as required to provide access to the field

(e) Finally, define another class called TestStaff with a main() method to perform necessary testing for the classes defined in the previous sections. In the main method, write the code to:

(1) create an ArrayList object to store references to Staff objects;

(2) open a text file namedtxt (available on interact resources), which contains data relating to staff members, create FullTimeStaff, PartTimeStaff and CasualStaff objects based on the first field in each row in the file (“full”, “part”, or “casual”);

(3) add these objects to the ArrayList; and (4) test various methods of the objects using loop(s) and methods as necessary, including the code to:

  • Repeatedly display a menu of five options (1, 2, 3, 4 and 5) such that
  • Option 1 will display details of only full-time staff
  • Option 2 will display details of only part-time staff
  • Option 3 will display details of only casual staff
  • Option 4 will display details of all staff
  • Option 5 terminate the program

Ensure that the program is appropriately documented throughout and thoroughly tested to demonstrate its correct operation.

You need to submit java and class files, a short discussion to explain the logic on how the problem has been solved, UML diagram, and sample output (for detail please see marking criteria and presentation below).

Task 3: Value 4 marks

Write a Java program using JavaFX that displays five playing cards. In the first row display three playing cards (randomly selected from the first 52 cards). In the second and third rows display two different cards compared to the first row at 45 degree and 90 degree angles respectively.

The image icons used in the questions are available in the Resource folder of Interact2. You may need to use HBox and/or VBox Pane.

Task 4: Value 3 marks

Investigate the imperative programming paradigm, as exemplified by procedural programming and object-oriented programming, and the declarative programming paradigm, as exemplified by functional programming and logic programming.

The Reading from Brookshear, 2012 will form a starting point for your investigation. For further investigation, remember that you should not reference Wikipedia items in an essay, so make sure to find articles that you can reference.

Write an essay, of approximately 800 words, based on your investigation, which provides answers to the following questions:

  • What are the essential differences between the paradigms?
  • What are some of the programming languages used for these different paradigms?
  • What specific advantages are provided by these different programming approaches?

Your essay should be referenced using the APA referencing style.

Rationale

This assignment has been designed to allow students to test and demonstrate their ability to:

  • to interpret and evaluate design requirements expressed in Unified Modelling Language (UML) (objective 2);
  • to apply inheritance and aggregation patterns in the design and implementation of programs (Objective 3);
  • be able to compare and critically evaluate different programming paradigms (Objective 6); to manipulate file operations through Java programming; (objective 7);
  • to use object-oriented techniques and Java resources to develop small applications consisting of a number of classes (objective 4);
  • to implement Graphical User Interface) (GUI )components using Java (objective 8).

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