Looking to add an absract method to my current java program. I missed this requi

Question

Looking to add an absract method to my current java program.

I missed this requirment when creating the program and now cannot seem to find a place for a absract methodwithout break the program

Any ideas?

Moives.java

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

public class Moives extends JFrame
{
private static Game movies[];
private static JButton sort = new JButton("Perform Sorting");
private static JTextArea textarea = new JTextArea(20, 35);
  
  
public Moives(){
   sort.addActionListener(new ActionListener() {
  
       public void actionPerformed(ActionEvent e) {
           Sorting.selectionSort(movies);
//Displaying result in textarea
           display();
}
       });
       setLayout(new FlowLayout());
       add(new JScrollPane(textarea));
       add(sort);

   }
  
public static void setFrame(final JFrame frame, final int width, final int height) {
  
   SwingUtilities.invokeLater(new Runnable() {
  
       public void run() {
           frame.setTitle(frame.getClass().getSimpleName());
           frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
           frame.setSize(width, height);
           frame.setVisible(true);
           }
       });
}

public static void display()
{
String ans="";
for(Game Game:movies)
ans+=Game+" ";
textarea.setText(ans);
}


public static void main(String[] args){
  
//Game[] movies=new Game[7];
movies=new Game[7];

movies[0]= new Game ("The Godfather", "Francis Ford Coppola", 1972, 24.95, true);
movies[1]= new Game ("District 9", "Neill Blokamp", 2009, 19.95, false);
movies[2]= new Game ("Iron Man", "Jon Favreau", 2008, 15.95, false);
movies[3]= new Game ("All About Eve", "Joseph Mankiewicz", 1950, 17.50, false);
movies[4]= new Game ("The Matrix", "Andy & Lana Wachowski", 1999, 19.95, true);
movies[5]= new Game ("Iron Man 2", "Jon Favreau", 2010, 22.99, false);
movies[6]= new Game ("Casablanca", "Michael Curtiz", 1942, 19.95, false);

setFrame(new Moives(), 500, 500);
display();
}
}

Game.java

import java.text.NumberFormat;

public class Game implements Comparable{
  
   private String tile, company;
   private int year;
   private double rating;
   private boolean virtualReality;
   private String title;

   public Game (String title, String company, int year, double rating, boolean virtualReality){
       this.title=title;
       this.year= year;
       this.company=company;
       this.rating=rating;
       this.virtualReality=virtualReality;
   }
  
   public String getTitle(){
       return title;
   }
  
   public String toString(){
   NumberFormat fmt = NumberFormat.getCurrencyInstance();

   String description;

   description = fmt.format(rating) + " " + year + " ";
   description += title + " " + company;

   if (virtualReality)
   description += " " + "Virtual Reality";

   return description;
   }
  
   public int compareTo(Object otherObject){
       Game otherGame=(Game)otherObject;
       return getTitle().compareTo(otherGame.getTitle());
   }
}

Sorting.java

public class Sorting {

   public static void selectionSort(Comparable[] list){
  
       int min;
       Comparable temp;
      
       for(int index=0; index            min=index;
           for (int scan = index+1; scan < list.length; scan++)
               if (list[scan].compareTo(list[min])<0)
                   min=scan;
                   temp=list[min];
                   list[min]=list[index];
                   list[index]=temp;
       }
   }
}

Explanation / Answer

//try this

abstract class Sort {
  
  
  
abstract void sort(Comparable[] list);
  
}

class selectionsort extends Sort
{

   @Override
   void sort(Comparable[] list) {
       // TODO Auto-generated method stub
//your selection sort code here
   }
  
}

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