1  import java.awt.Rectangle;

  2  

  3  /**

  4     This example demonstrates accessors and mutators.

  5  */

  6  public class AccessorMutatorDemo

  7  {

  8     public static void main(String[] args)

  9     {

 10        Rectangle box = new Rectangle(5, 10, 20, 30);

 11        System.out.print("box: ");

 12        System.out.println(box);

 13  

 14        // getWidth is an accessor method

 15  

 16        double width = box.getWidth();

 17        System.out.print("width: ");

 18        System.out.println(width);

 19  

 20        // Calling an accessor doesn't change the object

 21  

 22        System.out.print("box: ");

 23        System.out.println(box);

 24  

 25        // translate is a mutator method

 26  

 27        box.translate(15, 25);

 28  

 29        // Calling a mutator changes the object.

 30        

 31        System.out.print("box: ");

 32        System.out.println(box);

 33     }

 34  }