哪个高手看看我哪错了!JAVA问题

来源：百度知道 编辑：UC知道 时间：2024/07/07 06:55:31
//Test.java
import javax.swing.*;
import javax.swing.colorchooser.*;
import java.awt.*;
import java.awt.event.*;
public class Test extends JApplet
{
private JColorChooser chooser=new JColorChooser();
private JButton button=new JButton("show color chooser");
private JDialog dialog;
//初始化程序
public void init()
{
//制作界面容器
Container contentPane=getContentPane();
ContentPane.setLayout(new FlowLayout());
ContentPane.add(button,BorderLayout.CENTER);
//选择框
chooser.setPreviewPanel(new PreviewPanel());
//事件监听
button.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
if(dialog==null)
dialog=JColorChooser.createDialog(
Test.this,"pick a color",false,chooser,null,null);
dialog.setVisible(true);
}
}
}
//制作预览面版
cl

package cn.com.dang;

import javax.swing.*;
import javax.swing.colorchooser.*;
import java.awt.*;
import java.awt.event.*;
public class bbb extends JApplet
{
private JColorChooser chooser=new JColorChooser();
private JButton button=new JButton("show color chooser");
private JDialog dialog;
//初始化程序
public void init()
{
//制作界面容器
Container contentPane=getContentPane();
contentPane.setLayout(new FlowLayout());
contentPane.add(button,BorderLayout.CENTER);
//选择框
chooser.setPreviewPanel(new PreviewPanel());
//事件监听
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
if(dialog==null)
dialog=JColorChooser.createDialog(null,"pick a color",false,chooser,null,null);
dialog.setVisible(true);
}
});
}
}

package cn.com.dang;

import java.