PoliceReport.java

import java.util.ArrayList;
/*
 * A police report is a report that keeps track of the criminal's name, and the list of crimes as well as the
 * date of each crime
 */
//-----------Start below here. To do: approximate lines of code = 1
// Make class PoliceReport a subclass of Report

//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
{
   private String criminalName;
   private ArrayList crimes;
   private ArrayList dates;
   
   
   public PoliceReport(String title, String author, String date, String name)
   {
      super(title,author,date);
      this.criminalName = name;
      crimes = new ArrayList();
      dates = new ArrayList();
   }
   
   //Overrides the print() method in class Document
   public void print()
   {
      //-----------Start below here. To do: approximate lines of code = 4
      // Set the first section string in the inherited array list sections to the string:
      // "Criminal Name: " followed by the criminal's name followed by ""
      // Then set each subsequent string in the sections arraylist to the crime description (from crimes array list) followed by
      // " " followed by the date of the crime (from the dates array list)
      // Then finally print the police report by properly calling the print() method in the superclass Report
     
     
     
     
     
     
      //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
   }
   
   //-----------Start below here. To do: approximate lines of code = 3
   // Create a method void addCrime(String crime, String date) that adds the crime to the array list of crimes
   // and adds the date to the array list of dates
   
   
   
   
   
   //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
   
}
Report.java

import java.util.ArrayList;
/*
 * A simple general class that describes a report. It consists of a title, author, date and a list of sections
 */
public class Report
{
   private String title;
   private String author;//school name for report card
   private String date;
   private ArrayList sections;
   
   public Report(String title, String author, String date)
   {
      this.title = title;
      this.author = author;
      this.date = date;
      sections = new ArrayList();
   }
   
   public String getTitle()
   {
      return title;
   }

   public void setTitle(String title)
   {
      this.title = title;
   }

   public String getAuthor()
   {
      return author;
   }

   public void setAuthor(String author)
   {
      this.author = author;
   }

   public String getDate()
   {
      return date;
   }

   public void setDate(String date)
   {
      this.date = date;
   }
   
   public void setSection(String section)
   {
      sections.add(section);
   }

   public void print()
   {
      System.out.println(title + "" + author + "   " + date);
      for (int i = 0; i < sections.size(); i++)
      {
         System.out.println(sections.get(i));
      }
   }
   
}
SalesReport.java

import java.util.ArrayList;
/*
 * A sales report is a report that keeps track of the sales person's name, and the items they sold as well as the
 * price of each item
 */
//-----------Start below here. To do: approximate lines of code = 1
// Make class SalesReport a subclass of Report

//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
{
   private String salesPerson;
   private ArrayList itemsSold;
   private ArrayList itemPrices;
   
   public SalesReport(String title, String author, String date, String name)
   {
      super(title,author,date);
      this.salesPerson = name;
      itemsSold = new ArrayList();
      itemPrices = new ArrayList();
   }
   
   //Overrides the print() method in class Report
   public void print()
   {
      //-----------Start below here. To do: approximate lines of code = 4
      // Set the first section string in the inherited array list sections to the string:
      // "Sales Person: " followed by the name of the sales person followed by ""
      // Then set each subsequent string in the sections arraylist to the item description (from itemsSold array list) followed by
      // " " followed by the item price (from itemPrices array list)
      // Then finally print the sales report by properly calling the print() method in the superclass Report
     
     
     
     
     
     
      //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
   }
   
   //-----------Start below here. To do: approximate lines of code = 3
   // Create a method void addItem(String itemName, double price) that adds the sales item to the array list of itemsSold
   // and adds the price to the array list of itemPrices
   
   
   
   
   
   //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
   
}
QH4.java

/*
 * A program to test two subclasses of superclass Report: PoliceReport and SalesReport
 */
public class QH4
{
   public static void main(String[] args)
   {
      PoliceReport policeReport = new PoliceReport("Police Report", "Officer S. DoGood", "April 2021", "T. BadGuy");
      policeReport.addCrime("Theft", "March 16, 2021");
      policeReport.addCrime("Jaywalking", "February 8, 2021");
      policeReport.addCrime("Fraud", "December 19, 2020");
      policeReport.addCrime("Trespassing", "March 8, 2021");

      System.out.println("Testing Police Report");
      Report report = policeReport;
      report.print();
      System.out.println("Expected:Police ReportOfficer S. DoGood   April 2021Criminal Name: T. BadGuy");
      System.out.println("Theft March 16, 2021Jaywalking February 8, 2021Fraud December 19, 2020Trespassing March 8, 2021");
           
      SalesReport salesReport = new SalesReport("Sales Report", "Best Buy", "Nov. 2020", "T. McInerney");
      salesReport.addItem("Razer Laptop", 4000.0);
      salesReport.addItem("Microsoft Surface", 2200.0);
      salesReport.addItem("iPhone 10", 1100.0);
      salesReport.addItem("Dell Laptop", 550.0);

      System.out.println("Testing Sales Report");
      report = salesReport;
      report.print();
      System.out.println("Expected:Sales ReportBest Buy   Nov. 2020Sales Person: T. McInerney");
      System.out.println("Razer Laptop 4000.0Microsoft Surface 2200.0iPhone 10 1100.0Dell Laptop 550.0");
   }
}