Java示例中断线程

import java.awt.Shape;

import java.awt.geom.*;



public class Main {

   public static void main(String[] args) {

      int x1 = 1, x2 = 2, w = 3, h = 4,

      x = 5, y = 6,

       y1 = 1, y2 = 2, start = 3;



      Shape line = new Line2D.Float(x1, y1, x2, y2);

      Shape arc = new Arc2D.Float(x, y, w, h, start, 1, 1);

      Shape oval = new Ellipse2D.Float(x, y, w, h);

      Shape rectangle = new Rectangle2D.Float(x, y, w, h);

      Shape roundRectangle = new RoundRectangle2D.Float (x, y, w, h, 1, 2);

      System.out.println("Different shapes are created.");

   }

}