using full path for project dir

assignments/a2/src/main/java/Controls.java

@@ -27,7 +27,7 @@ public class Controls extends JPanel implements Observer
     this.play = new JButton(); 
     try
     {
-      Image img1 = ImageIO.read(getClass().getResource("main/resources/playbutton.jpg"));
+      Image img1 = ImageIO.read(getClass().getResource("src/main/resources/playbutton.jpg"));
       play.setIcon(new ImageIcon(img1));
     } catch (Exception e)
     {