[求助]请教!簿知道程序什么错误!~

我运行出来的错误都不是错误!所以不知道那里错了!~请教下!~
很多奇怪错误!~高手指出下!
错误是软件包 java.swing 不存在
import java.awt.*;
import java.awt.geom.*;
import java.swing.*;
public class Map extends JFrame
{
public Map()
{
super("Map");
setSize(350,350);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MapPane map=new MapPane();
Container content=getContentPane();
content.add(map);
setVisible(true);
}
public static void main(String[] arguments)
{
Map frame=new Map();
}
};
class MapPane extends JPanel
{
public void paintComponent(Graphics comp)
{
Graphics2D comp2D=(Graphics)comp;
comp2D.setColor(Color.blue);
Rectangle2D.Float background=new Rectangle2D.Float(0F,0F,(float)getSize().width,(float)getSize().height);
comp2D.setColor(Color.white);
BasicStroke pen=new BasicStroke(2F,BasicStroke.CAP_BUTT,BasicStroke.JOIN_ROUND);
comp2D.setStroke(pen);
for(int ax=0;ax<340;ax+=10)
for(int ay=0;ay<340;ay+=10){
Arc2D.Float wave=new Arc2D.Float(ax,ay,10,10,0,-180,Arc2D.OPEN);
comp2D.draw(wave);
}
GradientPaint gp=new GradientPaint(0F,0F,Color.green,350F,350F,Color.orange,true);
comp2D.setPaint(gp);
GeneralPath f1=new GeneralPath();
f1.moveTo(10F,12F);
f1.lineTo(234F,15F);
f1.lineTo(253F,25F);
f1.lineTo(261F,71F);
f1.lineTo(344F,209F);
f1.lineTo(336F,278F);
f1.lineTo(295F,310F);
f1.lineTo(259F,274F);
f1.lineTo(205F,188F);
f1.lineTo(211F,171F);
f1.lineTo(195F,174F);
f1.lineTo(191F,118F);
f1.lineTo(120F,56F);
f1.lineTo(94F,68F);
f1.lineTo(81F,49F);
f1.lineTo(12F,37F);
comp2D.fill(f1);
comp2D.setColor(Color.black);
BasicStroke pen2=new BasicStroke();
comp2D.setStroke(pen2);
Ellipse2D.Float e1=new Ellipse2D.Float(235,140,15,15);
Ellipse2D.Float e2=new Ellipse2D.Float(225,130,15,15);
Ellipse2D.Float e3=new Ellipse2D.Float(245,130,15,15);
comp2D.fill(e1);
comp2D.fill(e2);
comp2D.fill(e3);
}
};

[此贴子已经被作者于2006-9-6 22:48:50编辑过]

----------------解决方案--------------------------------------------------------

import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;

public class Map extends JFrame {
public Map() {
super("Map");
setSize(350, 350);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
MapPane map = new MapPane();
Container content = getContentPane();
content.add(map);
setVisible(true);
}

public static void main(String[] arguments) {
Map frame = new Map();
}

}

class MapPane extends JPanel {
public void paintComponent(Graphics comp) {
Graphics2D comp2D = (Graphics2D)comp;
comp2D.setColor(Color.blue);
Rectangle2D.Float background = new Rectangle2D.Float(
0F, 0F, (float)getSize().width, (float)getSize().height);
comp2D.fill(background);
// Draw waves
comp2D.setColor(Color.white);
BasicStroke pen = new BasicStroke(2F,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
comp2D.setStroke(pen);
for (int ax = 0; ax < 340; ax += 10)
for (int ay = 0; ay < 340 ; ay += 10) {
Arc2D.Float wave = new Arc2D.Float(ax, ay,
10, 10, 0, -180, Arc2D.OPEN);
comp2D.draw(wave);
}
// Draw Florida
GradientPaint gp = new GradientPaint(0F, 0F, Color.green,
350F,350F, Color.orange, true);
comp2D.setPaint(gp);
GeneralPath fl = new GeneralPath();
fl.moveTo(10F, 12F);
fl.lineTo(234F, 15F);
fl.lineTo(253F, 25F);
fl.lineTo(261F, 71F);
fl.lineTo(344F, 209F);
fl.lineTo(336F, 278F);
fl.lineTo(295F, 310F);
fl.lineTo(259F, 274F);
fl.lineTo(205F, 188F);
fl.lineTo(211F, 171F);
fl.lineTo(195F, 174F);
fl.lineTo(191F, 118F);
fl.lineTo(120F, 56F);
fl.lineTo(94F, 68F);
fl.lineTo(81F, 49F);
fl.lineTo(12F, 37F);
fl.closePath();
comp2D.fill(fl);
// Draw ovals
comp2D.setColor(Color.black);
BasicStroke pen2 = new BasicStroke();
comp2D.setStroke(pen2);
Ellipse2D.Float e1 = new Ellipse2D.Float(235, 140, 15, 15);
Ellipse2D.Float e2 = new Ellipse2D.Float(225, 130, 15, 15);
Ellipse2D.Float e3 = new Ellipse2D.Float(245, 130, 15, 15);
comp2D.fill(e1);
comp2D.fill(e2);
comp2D.fill(e3);
}
}

[此贴子已经被作者于2006-9-6 22:47:06编辑过]

----------------解决方案--------------------------------------------------------
把主类的public 去掉就可以了
----------------解决方案--------------------------------------------------------
我这里运行正常~~！
----------------解决方案--------------------------------------------------------

javax

----------------解决方案--------------------------------------------------------