1  class Dimension extends Object {
  2    
  3    // Instance variables:
  4    protected double width, height;
  5    
  6    // Constructors:
  7    public Dimension(double width, double height) {
  8      setWidth(width); setHeight(height);
  9    }
 10    public Dimension() { }  
 11    
 12    // Encapsulate the instance variables:
 13    public void setWidth(double width) {
 14      this.width = width;
 15    }
 16    public void setHeight(double height) {
 17      this.height = height;
 18    }
 19    public void setDimension(double width, double height) {
 20      setWidth(width); setHeight(height);
 21    }
 22    public double getWidth() {
 23      return width;
 24    }
 25    public double getHeight() {
 26      return height;
 27    }
 28    
 29  }