Odtnhj

So I am doing a project for my JAVA class finals. During the assignment, there is a question ask me to randomly assign one of four images (the flower images I have) to the image field in my Flower constructor. But I did not seem to understand this requirement. Can somebody help me with this? I will greatly appreciate. Here is my code. Also, my teacher has given us a hint that we should use an "if" statement for this.

import java.awt.Point;
import javax.swing.ImageIcon;

public class Flower 
 private ImageIcon image; 
 private Point pos; 

 public Flower(int x, int y) 
 pos = new Point(x,y); 
 

Generating a random number from 0 to 4 will do the trick for you.
Suppose the 4 images you have is in the form of array of type ImageIcon.
If the name of the array is list_flowers.
your constructor can be-

public Flower(int x, int y) 
 Random rand = new Random();
 pos = new Point(x,y);
 image = list_flowers[rand.nextInt(4)];

First things first, you need to change Flower so you can pass it the image to be used.

public class Flower 
 private ImageIcon image; 
 private Point pos; 

 public Flower(ImageIcon image, int x, int y) 
 pos = new Point(x,y); 
 

Personal thing, but I prefer it this way, as the result of initialising the class can be reasoned about.

One solution would be to make use of the available functionality in the Java API. Because I'm lazy, this would mean making use of Collections.shuffle to "randomise" a list of objects.

It might go something like....

 List<ImageIcon> images = new ArrayList<>(4);
 images.add(new ImageIcon(...)); // Flower 1
 images.add(new ImageIcon(...)); // Flower 2
 images.add(new ImageIcon(...)); // Flower 3
 images.add(new ImageIcon(...)); // Flower 4

 for (int index = 0; index < numberOfFlowersToCreate; index++) 
 int xPos = ...; // Calculate x position
 int yPos = ...; // Calculate y position

 Collections.shuffle(images);
 ImageIcon image = images.get(0);
 Flower flower = new Flower(image, xPos, yPos);

 // Do something with the instance of Flower