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Exercise: The Discount System
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‎src/ex7/DiscountSystem/Customer.class

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‎src/ex7/DiscountSystem/Customer.ctxt

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#BlueJ class context
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comment0.params=name
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comment0.target=Customer(java.lang.String)
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comment1.params=
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comment1.target=java.lang.String\ getName()
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comment2.params=
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comment2.target=boolean\ isMember()
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comment3.params=member
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comment3.target=void\ setMember(boolean)
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comment4.params=
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comment4.target=java.lang.String\ getMemberType()
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comment5.params=type
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comment5.target=void\ setMemberType(java.lang.String)
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comment6.params=
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comment6.target=java.lang.String\ toString()
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numComments=7

‎src/ex7/DiscountSystem/Customer.java

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/**
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* The Discount System: Customer.
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*/
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public class Customer
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{
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private String name;
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private boolean member = false;
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private String memberType;
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public Customer(String name)
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{
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public boolean isMember() {
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return member;
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}
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public void setMember(boolean member) {
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this.member= member;
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}
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public String getMemberType() {
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return memberType;
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}
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public void setMemberType(String type) {
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memberType = type;
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}
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public String toString() {
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return String.format("Customer %1$s %2$s member."
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, name, (member ? "is the "+memberType : "is not a"));
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}
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}

‎src/ex7/DiscountSystem/CustomerTest.class

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‎src/ex7/DiscountSystem/CustomerTest.ctxt

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#BlueJ class context
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comment0.params=
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comment0.target=CustomerTest()
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comment0.text=\r\n\ Default\ constructor\ for\ test\ class\ CustomerTest\r\n
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comment1.params=
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comment1.target=void\ setUp()
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comment1.text=\r\n\ Sets\ up\ the\ test\ fixture.\r\n\r\n\ Called\ before\ every\ test\ case\ method.\r\n
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comment2.params=
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comment2.target=void\ tearDown()
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comment2.text=\r\n\ Tears\ down\ the\ test\ fixture.\r\n\r\n\ Called\ after\ every\ test\ case\ method.\r\n
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numComments=3

‎src/ex7/DiscountSystem/CustomerTest.java

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import static org.junit.Assert.*;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* The test class CustomerTest.
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*
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* @author (your name)
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* @version (a version number or a date)
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*/
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public class CustomerTest
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{
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/**
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* Default constructor for test class CustomerTest
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*/
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public CustomerTest()
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{
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}
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/**
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* Sets up the test fixture.
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*
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* Called before every test case method.
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*/
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@Before
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public void setUp()
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{
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}
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/**
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* Tears down the test fixture.
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*
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* Called after every test case method.
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*/
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@After
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public void tearDown()
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{
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}
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}

‎src/ex7/DiscountSystem/Discount.java

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/**
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* Write a description of class Discount here.
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*
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* @author (your name)
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* @version (a version number or a date)
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*/
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public class Discount
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{
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// instance variables - replace the example below with your own
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private int x;
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/**
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* Constructor for objects of class Discount
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*/
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public Discount()
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{
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// initialise instance variables
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x = 0;
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}
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/**
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* An example of a method - replace this comment with your own
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*
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* @param y a sample parameter for a method
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* @return the sum of x and y
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*/
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public int sampleMethod(int y)
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{
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// put your code here
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return x + y;
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}
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}

‎src/ex7/DiscountSystem/README.TXT

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------------------------------------------------------------------------
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This is the project README file. Here, you should describe your project.
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Tell the reader (someone who does not know anything about this project)
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all he/she needs to know. The comments should usually include at least:
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------------------------------------------------------------------------
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PROJECT TITLE:
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PURPOSE OF PROJECT:
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VERSION or DATE:
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HOW TO START THIS PROJECT:
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AUTHORS:
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USER INSTRUCTIONS:

‎src/ex7/DiscountSystem/Visit.class

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‎src/ex7/DiscountSystem/Visit.ctxt

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#BlueJ class context
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comment0.params=name\ date
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comment0.target=Visit(java.lang.String,\ java.util.Date)
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comment1.params=
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comment1.target=java.lang.String\ getName()
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comment2.params=
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comment2.target=double\ getServiceExpense()
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comment3.params=ex
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comment3.target=void\ setServiceExpense(double)
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comment4.params=
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comment4.target=double\ getProductExpense()
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comment5.params=ex
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comment5.target=void\ setProductExpense(double)
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comment6.params=
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comment6.target=double\ getTotalExpense()
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comment7.params=
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comment7.target=java.lang.String\ toString()
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numComments=8

‎src/ex7/DiscountSystem/Visit.java

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import java.util.Date;
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/**
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* The Discount System: Visit.
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*/
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public class Visit
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{
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private Customer customer;
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private Date date;
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private double serviceExpense;
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private double productExpense;
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public Visit(String name, Date date)
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{
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this.customer = new Customer(name);
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this.date = date;
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}
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public String getName() {
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return customer.getName();
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}
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public double getServiceExpense() {
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return serviceExpense;
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}
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public void setServiceExpense(double ex) {
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serviceExpense = ex;
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}
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public double getProductExpense() {
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return productExpense;
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}
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public void setProductExpense(double ex) {
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productExpense = ex;
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}
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public double getTotalExpense() {
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return serviceExpense + productExpense;
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}
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public String toString() {
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return String.format("Visit of customer %1$s at date %2$s"
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, customer.toString(), date.toString());
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}
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}

‎src/ex7/DiscountSystem/package.bluej

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#BlueJ package file
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dependency1.from=Visit
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dependency1.to=Customer
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dependency1.type=UsesDependency
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objectbench.height=76
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objectbench.width=616
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package.editor.height=683
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package.editor.width=516
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package.editor.x=3
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package.editor.y=27
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package.numDependencies=1
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package.numTargets=4
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package.showExtends=true
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package.showUses=true
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project.charset=UTF-8
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target1.association=CustomerTest
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target1.editor.height=850
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target1.editor.width=790
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target1.editor.x=648
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target1.editor.y=21
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target1.height=50
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target1.name=Customer
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target1.naviview.expanded=true
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target1.showInterface=false
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target1.type=ClassTarget
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target1.typeParameters=
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target1.width=80
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target1.x=90
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target1.y=100
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target2.editor.height=700
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target2.editor.width=900
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target2.editor.x=43
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target2.editor.y=47
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target2.height=50
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target2.name=CustomerTest
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target2.naviview.expanded=true
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target2.showInterface=false
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target2.type=UnitTestTargetJunit4
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target2.typeParameters=
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target2.width=110
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target2.x=120
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target2.y=70
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target3.height=50
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target3.name=Discount
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target3.showInterface=false
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target3.type=ClassTarget
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target3.typeParameters=
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target3.width=80
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target3.x=220
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target3.y=230
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target4.editor.height=844
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target4.editor.width=733
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target4.editor.x=5
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target4.editor.y=28
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target4.height=50
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target4.name=Visit
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target4.showInterface=false
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target4.type=ClassTarget
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target4.typeParameters=
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target4.width=80
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target4.x=350
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target4.y=100

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