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import java.awt.*;
import javax.swing.*;
import java.awt.geom.*;
public class test//¶ÁÕß¿ÉÒÔ¸ü¸ÄÀàtestµÄÃû×Ö£¬ÒÔÊʺÏ×Ô¼º¶¨ÒåµÄ.javaÎļþ£¬ÒòΪËüÖ»ÊÇÓÃÀ´²âÊԵġ£
{
public static void main (String args[]){
DrawFrame frame=new DrawFrame();
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setVisible(true);
}
}
class DrawFrame extends JFrame
{
public DrawFrame()
{
setTitle("Activity Diagram");
setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT);
// add panel to frame
ArrowLinePanel panel=new ArrowLinePanel();
add(panel);
}
// »î¶¯Í¼´°¿Ú´óС
public static final int DEFAULT_WIDTH=1000;
public static final int DEFAULT_HEIGHT=800;
}
class ArrowLinePanel extends JPanel
{
// confirm the line position
public ArrowLinePanel()
{
setBackground(Color.white);
}
public void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2=(Graphics2D) g;
g2.setPaint(Color.black);
drawAL(x1, y1, x2, y2, g2)£»//ÕâÀïx1, y1, x2, y2±ØÐëÒªÉùÃ÷²¢ÇÒ³õʼ»¯£¬¶ø¾ßÌåÉùÃ÷µÄλÖúͳõʼ»¯µÄÖµ
//ÓɱàÕß×Ô¼º¾ö¶¨£¬ÔÚÕâÀ±ÊÕßûÓÐÉùÃ÷ËüÃÇ¡£
}
public static void drawAL(int sx, int sy, int ex, int ey,Graphics2D g2)
{
double H = 6 ; // ¼ýÍ·¸ß¶È
double L = 6 ; // µ×±ßµÄÒ»°ë
int x3 = 0 ;
int y3 = 0 ;
int x4 = 0
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public class NodeBean implements Serializable
{
private Object data; //ÔªËØ±¾Éí
private NodeBean next; //ÏÂÒ»¸ö½Úµã
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Chapter I.
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