      1  import java.awt.Rectangle;

      2

      3  /**

      4     This example demonstrates constructors.

      5  */

      6  public class ConstructorDemo

      7  {

      8     public static void main(String[] args)

      9     {

     10        // Constructs and prints a rectangle

     11        System.out.println(new Rectangle(5, 10, 20, 30));

     12

     13        // Constructs a rectangle and saves it in a variable

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

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

     16        System.out.println(box);

     17

     18        // The constructor with no arguments

     19        box = new Rectangle();

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

     21        System.out.println(box);

     22     }

     23  }