Question

In this assignment, you will implement Address and Residence classes.

Create a new java project.

Part A

1. Implementation details of Address class:

Add and implement a class named Address according to specifications in the UML class diagram.

• Data fields: street, city, province and zipCode.
• Constructors:

• A no-arg constructor that creates a default Address.
• A constructor that creates an address with the specified street, city, state, and zipCode

• Getters and setters for all the class fields.
• toString() to print out all available information about the current object

2. A test program for the Address class

To demonstrates the Address class, in main method write a program that:

1. Prompts the user to enter the street name
2. Prompts the user to enter city name
3. Prompts the user to enter the province name
4. Prompts the user to enter the zip code
5. Creates an instance called testAddress of type Address with the entered data
6. Displays this information using toString().

Example of data:

• Street: 265 Yorkland Blvd.
• City: Toronto
• State: Ontario
• zipCode: M2J 1S5

PART B

1. Implementation details of Residence class:

Add and implement a class named Residence according the instruction in the UML diagram

• Data fields: bedrooms, bathrooms, price, squareFeet, yearBuilt and address.
• Constructors:

• A no-arg constructor that creates a default Residence.
• A constructor that creates a Residence with the specified bedrooms, bathrooms, price, squareFeet, yearBuilt and address.

• Getters and setters for all the class fields.
• calculateCommission() that returns the commission amount. The commission rate is set up at 2%.
• toString() that returns the information about the current object( bedrooms, bathrooms, etc.).

2. A test program for the Residence class

In main method, you already created an instance of Address class called testAddress and prompted the user to enter the address details.

1. Now prompt the user to enter the numbers of bedrooms and bathrooms, price, square Feet and year built.
2. Create an instance of the residence class with the entered data (including the address data).
3. Display the information about the residence using toString().

Answer 1

// Address.java

public class Address
{
   private String street;
   private String city;
   private String province;
   private String zipCode;
  
   // default constructor
   public Address()
   {
       street = "";
       city = "";
       province = "";
       zipCode = "";
   }
  
   // parameterized constructor
   public Address(String street, String city, String province, String zipCode)
   {
       this.street = street;
       this.city = city;
       this.province = province;
       this.zipCode = zipCode;
   }
  
   // setters
   public void setStreet(String street)
   {
       this.street = street;
   }
  
   public void setCity(String city)
   {
       this.city = city;
   }
  
   public void setProvince(String province)
   {
       this.province = province;
   }
  
   public void setZipCode(String zipCode)
   {
       this.zipCode = zipCode;
   }
  
   // getters
   public String getStreet()
   {
       return street;
   }
  
   public String getProvince()
   {
       return province;
   }
  
   public String getCity()
   {
       return city;
   }
  
   public String getZipCode()
   {
       return zipCode;
   }
  
   // return String representation
   public String toString()
   {
       return street+", "+city+", "+province+" - "+zipCode;
   }
  
}
//end of Address.java

// Residence.java

public class Residence {
  
   private int bedrooms;
   private int bathrooms;
   private double price;
   private int squareFeet;
   private int yearBuilt ;
   private Address address;
// default constructor
   public Residence()
   {
       bedrooms = 0;
       bathrooms = 0;
       price = 0;
       squareFeet = 0;
       yearBuilt = 0;
       address = new Address();
   }
// parameterized constructor
   public Residence(int bedrooms, int bathrooms, double price, int squareFeet, int yearBuilt, Address address)
   {
       this.bedrooms = bedrooms;
       this.bathrooms = bathrooms;
       this.squareFeet = squareFeet;
       this.yearBuilt = yearBuilt;
       this.price = price;
       this.address = address;
   }
// setters
   public void setBedrooms(int bedrooms)
   {
       this.bedrooms = bedrooms;
   }
  
   public void setBathrooms(int bathrooms)
   {
       this.bathrooms = bathrooms;
   }
  
   public void setSquareFeet(int squareFeet)
   {
       this.squareFeet = squareFeet;
   }
  
   public void setYearBuilt(int yearBuilt)
   {
       this.yearBuilt = yearBuilt;
   }
  
   public void setAddress(Address address)
   {
       this.address = address;
   }
// getters
   public int getBedrooms()
   {
       return bedrooms;
   }
  
   public int getBathrooms()
   {
       return bathrooms;
   }
  
   public double getPrice()
   {
       return price;
   }
  
   public int getSquareFeet()
   {
       return squareFeet;
   }
  
   public int getYearBuilt()
   {
       return yearBuilt;
   }
  
   public Address getAddress()
   {
       return address;
   }
// method to calculate and return commission
   public double calculateCommission()
   {
       return price*0.02;
   }
// toString method
   public String toString()
   {
       return "Address: "+address.toString()+"\nSquare feet: "+squareFeet+"\nYear built: "+yearBuilt+"\nBedrooms: "+bedrooms+
               "\nBathrooms: "+bathrooms+"\nPrice: "+price+"\nCommission: "+calculateCommission();
   }

}
//end of Residence.java

// ResidenceTester.java : Java program to test Address and Residence class

import java.util.Scanner;

public class ResidenceTester {
  
   public static void main(String[] args) {

       String street, city, province, zipCode;
       int bathrooms, bedrooms, yearBuilt, squareFeet;
       double price;
      
       Address testAddress;
      
       Scanner scan = new Scanner(System.in);
       // input details of Address
       System.out.print("Enter the street: ");
       street = scan.nextLine();
       System.out.print("Enter city: ");
       city = scan.nextLine();
       System.out.print("Enter province: ");
       province = scan.nextLine();
       System.out.print("Enter zip code: ");
       zipCode = scan.nextLine();
       // create an object of Address class
       testAddress = new Address(street, city, province, zipCode);
       System.out.println(testAddress); // display Address using toString method of Address class
       Residence residence;
       // input details of Residence
       System.out.print("Enter number of bedrooms: ");
       bedrooms = scan.nextInt();
       System.out.print("Enter number of bathrooms: ");
       bathrooms = scan.nextInt();
       System.out.print("Enter square feet: ");
       squareFeet = scan.nextInt();
       System.out.print("Enter year built: ");
       yearBuilt = scan.nextInt();
       System.out.print("Enter price: ");
       price = scan.nextDouble();
       // create object of Residence class
       residence = new Residence(bedrooms, bathrooms, price, squareFeet, yearBuilt, testAddress);
       System.out.println("Residence:\n"+residence); //display Residence details using toString method of Residence class
   }

}
//end of ResidenceTester.java

Output:

Enter the street: 265 Yorkland Blvd. Enter city: Toronto Enter province: Ontario Enter zip code: M23155 265 Yorkland Blvd., Toronto, Ontario - M23155 Enter number of bedrooms: 3 Enter number of bathrooms: 2 Enter square feet: 250 Enter year built: 2015 Enter price: 175000 Residence: Address: 265 Yorkland Blvd., Toronto, Ontario - M2J155 Square feet: 250 Year built: 2015 Bedrooms: 3 Bathrooms: 2 Price: 175000.0 Commission: 3500.0