1    package bookExamples.ch06RefDataTypes; 
2     
3    import bookExamples.ch18Swing.awt.GraphicsObject; 
4     
5    class Mammal2 implements GraphicsObject { 
6        private boolean hasHair = true; 
7        private double x = 0; 
8        private double y = 0; 
9     
10       public void move(double _x, double _y) { 
11           x = _x; 
12           y = _y; 
13       } 
14    
15       public void draw() { 
16       }; // does nothing right now. 
17   } 
18