java. when creating each starfish, set its width and height to a random number between 40 and 60; this should cause each starfish to look slightly different in the update method, rotate each of the starfish by a randomly generated value between -2 and 2; this should cause each starfish to look like it is wiggling

public class StarfishCollector extends Game
		{
		Sprite water;
		Group starfishGroup;
		Sprite turtle;
		Sprite winMessage;
		Group rockGroup;
		Sprite shark;
		public void initialize()
		{
		setTitle("Starfish Collector");
		setWindowSize(800, 600);
		water = new Sprite();
		water.setTexture( new Texture("images/water.png") );
		water.setPosition(400,300);
		group.add( water );
		rockGroup = new Group();
		Texture rockTexture = new Texture("images/rock.png");
		int rockCount = 3;
		for (int i = 0; i < rockCount; i++)
		{
		Sprite rock = new Sprite();
		double x = Math.random() * 600 + 100;
		double y = Math.random() * 400 + 100;
		rock.setPosition(x, y);
		rock.setTexture(rockTexture);
		rockGroup.add( rock );
		}
		group.add( rockGroup );
		shark = new Sprite();
		shark.setPosition(400,300);
		shark.setTexture( new Texture("images/shark.png") );
		group.add( shark );
		starfishGroup = new Group();
		Texture starfishTexture = new Texture("images/starfish.png");
		int starfishCount = 20;
		for (int i = 0; i < starfishCount; i++)
		{
		Sprite starfish = new Sprite();
		double x = Math.random() * 600 + 100;
		double y = Math.random() * 400 + 100;
		starfish.setPosition(x, y);
		starfish.setTexture(starfishTexture);
		boolean rockOverlap;
		do
		{
		rockOverlap = false;
		x = Math.random() * 600 + 100;
		y = Math.random() * 400 + 100;
		starfish.setPosition(x, y);
		for (Entity entity : rockGroup.getList())
		{
		Sprite rock = (Sprite)entity;
		if (rock.overlaps(starfish))
		rockOverlap = true;
		}
		} while( rockOverlap );
		starfishGroup.add( starfish );
		}
		group.add(starfishGroup);
		turtle = new Sprite();
		turtle.setPosition(90, 90);
		turtle.setTexture( new Texture("images/turtle.png") );
		group.add(turtle);
		// optional: add a transparent water layer on top
		// to create an "underwater" effect
		Sprite water2 = new Sprite();
		water2.setTexture( new Texture("images/water.png") );
		water2.setPosition(400,300);
		water2.opacity = 0.30;
		group.add( water2 );
		winMessage = new Sprite();
		winMessage.setPosition(400, 300);
		winMessage.setTexture( new Texture("images/youWin.png") );
		winMessage.visible = false;
		group.add(winMessage);
		}
		public void update()
		{
		if (winMessage.visible)
		return;
		if (input.isKeyPressed("RIGHT"))
		{
		turtle.moveBy(2, 0);
		turtle.setAngle(0);
		}
		if (input.isKeyPressed("LEFT"))
		{
		turtle.moveBy(-2, 0);
		turtle.setAngle(180);
		}
		if (input.isKeyPressed("UP"))
		{
		turtle.moveBy(0, -2);
		turtle.setAngle(270);
		}
		if (input.isKeyPressed("DOWN"))
		{
		turtle.moveBy(0, 2);
		turtle.setAngle(90);
		}
		if ( turtle.position.x < shark.position.x )
		shark.mirrored = true;
		if ( turtle.position.x > shark.position.x )
		shark.mirrored = false;
		for ( Entity entity : starfishGroup.getList() )
		{
		Sprite starfish = (Sprite)entity;
		if ( turtle.overlaps(starfish) )
		starfishGroup.remove(starfish);
		}
		for ( Entity entity : rockGroup.getList() )
		{
		Sprite rock = (Sprite)entity;
		turtle.preventOverlap(rock);
		}
		if (starfishGroup.size() == 0)
		winMessage.visible = true;
		turtle.boundToScreen(800, 600);
		}
		}