add comments 1

src/cancergrowth/CancerGrowth.java

@@ -11,10 +11,10 @@ public class CancerGrowth extends javax.swing.JFrame
   public CancerGrowth(String s)
   {
     super(s);
-    super.setContentPane(new CellPanel());
-    super.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
+    super.setContentPane(new CellPanel()); // Create the window using CellPanel.class
+    super.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); // Have the window close when you press the X
     super.setLocation(50, 50);
-    super.setResizable(false);
+    super.setResizable(false); // Disable resizing
     super.pack();
   }