ITC538 | DESIGNING OBJECT ORIENTED PROGRAM

ITC538 | DESIGNING OBJECT ORIENTED PROGRAM | JAVA

JAVA ASSIGNMENT HELP

Task

Assessment 2 has 20 marks in total. Marks will be scaled according to the value of the assessment.

There are two tasks in assessment 2, Task 1 and Task 2 as below:

Task 1: Value 10 marks

Suppose you are commissioned by the Australian Football Association (AFL) to write a program designed to produce statistics based on complete scores recorded in a season. These scores are kept in a file called afl.txt (available on interact resources). You are also given the following information about a football season:

League consists of 18 football teams

There are 22 rounds in each season

In each round teams play against each other and the score of each team is recorded as an integer and kept in the text file referred to above (aft.txt)

Your task is to write a complete java program (a java class with the main method) called ProcessScores, which will read the scores from the text file provided, store the scores in an array of integers and then using a number of independent staticmethods, calculate and display the required statistics relating the afl scores.

The java class you are required to author will contain the following static methods:

lowest will take the array of scores as an argument and return the lowest score in the season highest will take the array of scores as an argument and return the highest score in the season

range will take the array of scores as an argument and return the difference between the highest score and the lowest score in the season

average will take the array of scores as an argument and return the average of all scores in the season

median will take the array of scores as an argument and return the median score in the season

mode will take the array of scores as an argument and return the mode of the scores in the season

Note that all of the methods described above, should be static methods; user defined methods (you have the write the definition of each yourself); and completely independent of each other (you should not invoke anyone of them within the other method definition). Also, the original array of scores should not be modified by any of the methods.

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 guide and presentation below).

Task 2: Value 10 marks

Design a class named Light to represent a conference hall light. The class contains:

Three constants named LOW, MEDIUM, and HIGH with the values 1, 2, and 3 to denote Charles Sturt University Subject Outline the light brightness.

A private int data field named brightness that specifies the brightness of the light having a default value of LOW.

A private boolean data field named on that specifies whether the light is on or off having a default value of false.

A string data field named color that specifies the color of the light having a default value of red.

The accessor and mutator methods for all three data fields.

A no-arg/default constructor that creates a default light.

A method named toString() that returns a string description for the light. If the light is on, the method returns the fan brightness and color in one combined string. If the light is not on, the method returns the fan color along with the string “light is off” in one combined string. Draw the UML diagram for the class and then implement the class.

Write a test program TestLight that creates two Light objects. Assign high brightness, color yellow, and turn it on to the first object. Assign medium brightness, color blue, and turn it off to the second object. Display the objects by invoking their respective toString methods.

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 guide and presentation below).

 

Rationale

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

• design and implement algorithms in Java (learning outcome 1);


• interpret and evaluate design requirements expressed in Unified Modelling Language (UML) (learning outcome 2);


• use object-oriented techniques and Java resources to develop small applications consisting of a number of classes (learning outcome 4);


• apply testing and debugging techniques in program development (learning outcome 5);

Marking criteria

Assessment 2 (Total Marks 20)

Task 1 (Total Marks 10)

Criteria	Marks	HD	DI		CR	PS
		Program
a. Execution: Program		executes	Provided java			Provided java
		perfectly			Provided java
launches, executes and			program executes			program may be
		without			program executes
terminates without	1.0		without crashing			incomplete and/or
		crashing			without crashing
crashing; program executes			with minimal			executes with
		towards			with some errors
as specified.			errors			some errors
		intended
		output

 

Implement	Implement	Implement	Implement
and integrate	ProcessScores	ProcessScores class	ProcessScores
classes with	class with most of	with majority of	class with some
all functions	the functions and	the functions and	functions and

 

Criteria	Marks	HD	DI		CR	PS

 

by	integrate the mark	integrate the mark	then combine it
maintaining	class with it for	class with it for	with Marks class
logical flow	testing	testing	for testing
Excellent
naming,	Good naming,	Most naming,	Some naming,
indentation,	indentation,		indentation,
		indentation, header
header and	header and inline	and inline	header and inline
inline	comments		comments
		comments included
comments	included		included
included

 

 

		All of the	Most of the		Just enough of the
		required		Majority of the
d. Submission: the			required		required
		documents		required documents
documents with all			documents and		documents and
components (analysis,	1.0	and sufficient	sufficient number	and sufficient	sufficient number
testing, and output)		number of	of test outputs	number of test	of test outputs
		test outputs		outputs provided
			provided		provided
		provided

Task 2 (Total Marks 10)

 

Criteria	Marks HD		DI	CR	PS
		Program	Provided java
a. Execution: Program		executes			Provided java
			program	Provided java
launches, executes and		perfectly			program may be
			executes	program executes
terminates without crashing;	1.0	without			incomplete and/or
			without	without crashing
program executes as		crashing			executes with
			crashing with	with some errors
specified.		towards			some errors
			minimal errors
		intended output

 

	Implement and	Implement and	Implement Light	Implement Light
	integrate all of	integrate most	and TestLight	and TestLight
		of the Light and	classes with	classes with some
6.0	the Light and
		TestLight	majority functions	functions and
	TestLight
		classes	and combine them	combine them for
	classes
		functionaliies	for testing	testing
	UML with all	UML with most	UML with	UML with
	components	components and	majority	incomplete
1.0	and their	their parameter,	components and	components and
	parameter, and	and return	their parameter,	their parameter,
	return		and return	and return
	All of the	Most of the	Majority of the	Just enough of the
	required	required
			required	required
	documents and	documents and
			documents and	documents and
1.0	sufficient	sufficient
			sufficient number	sufficient number
	number of test	number of test
			of test outputs	of test outputs
	outputs	outputs
			provided	provided
	provided	provided
	All of the	Most of the	Majority of the	Just enough of the
	required	required
			required	required
	documents and	documents and
			documents and	documents and
1.0	sufficient	sufficient
			sufficient number	sufficient number
	number of test	number of test
			of test outputs	of test outputs
	outputs	outputs
			provided	provided
	provided	provided

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