JAVA小白，请教一下代码问题？

[Beck_Luo]

JAVA小白，请教大神帮忙看一下这串代码，主要有哪些错误？

package imageviewer;

import java.awt.EventQueue;
import java.awt.event.*;
import java.io.*;

import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

/**
*A progrem for viewing images,
*@version 1.2.2 2016-06-10,
*@author Beck
*/

public class ImageViewer {

public static void main(String[] args) {
// TODO Auto-generated method stub
EventQueue.invokeLater(new runnable()
{
public void run()
{
ImageViewer frame = new ImageViewer();
frame.setTitle("ImageViewer");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
});
}

private void setTitle(boolean b) {
// TODO Auto-generated method stub

}

private void setDefaultCloseOperation(int exitOnClose) {
// TODO Auto-generated method stub

}

private void setTitle(String string) {
// TODO Auto-generated method stub

}

private static Runnable runnable() {
// TODO Auto-generated method stub
return null;
}

}

/**
*A frame with a label to show an image.
*/
class ImageViewerFrame extends JFrame
{
private JLabel label;
private JFileChooser chooser;
private static final int DEFAULT_WIDTH = 300;
private static final int DEFAULT_HEIGHT = 400;
public ImageViewerFrame()
{
setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT);

//use a label to display the images
label = new JLabel();
add(label);

//set up the file chooser
chooser = new JFileChooser();
chooser.setCurrentDirectory(new File("."));

//set up the menu bar
JMenuBar menuBar = new JMenuBar();
setJMenuBar(menuBar);

JMenu menu = new JMenu("File");
menuBar.add(menu);

JMenuItem openItem = new JMenuItem("Open");
menu.add(openItem);
openItem.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
//show file chooser dialog
int result = chooser.showOpenDialog(null);

//if file selected,set it as icon of the label
if (result == JFileChooser.APPROVE_OPTION)
{
String name = chooser.getSelectedFile().getPath();
label.setIcon(new ImageIcon(name));
}
}
});
JMenuItem exitItem = new JMenuItem("EXIT");
menu.add(exitItem);
exitItem.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
System.exit(0);
}
});
}
}

[爬不快的蜗牛]

package other; import java.awt.EventQueue; import java.awt.event.*; import java.io.*; import javax.swing.ImageIcon; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; /** *A progrem for viewing images, *@version 1.2.2 2016-06-10, *@author Beck */ public class ImageViewer { public static void main(String[] args) { // TODO Auto-generated method stub EventQueue.invokeLater(new Runnable() { public void run() { ImageViewerFrame frame = new ImageViewerFrame(); frame.setTitle("ImageViewer"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } }); } private static Runnable runnable() { // TODO Auto-generated method stub return null; } } /** *A frame with a label to show an image. */ class ImageViewerFrame extends JFrame { private JLabel label; private JFileChooser chooser; private static final int DEFAULT_WIDTH = 300; private static final int DEFAULT_HEIGHT = 400; public ImageViewerFrame() { setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT); //use a label to display the images label = new JLabel(); add(label); //set up the file chooser chooser = new JFileChooser(); chooser.setCurrentDirectory(new File(".")); //set up the menu bar JMenuBar menuBar = new JMenuBar(); setJMenuBar(menuBar); JMenu menu = new JMenu("File"); menuBar.add(menu); JMenuItem openItem = new JMenuItem("Open"); menu.add(openItem); openItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { //show file chooser dialog int result = chooser.showOpenDialog(null); //if file selected,set it as icon of the label if (result == JFileChooser.APPROVE_OPTION) { String name = chooser.getSelectedFile().getPath(); label.setIcon(new ImageIcon(name)); } } }); JMenuItem exitItem = new JMenuItem("EXIT"); menu.add(exitItem); exitItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { System.exit(0); } }); } } 我看你是什么都不会，自己写的什么都不知道吧

[jsmSimons]

要养成注释的好习惯，不然真的很难看懂，头都痛了看的

[DaxDai]

建议使用IDE的格式化代码吧，这代码格式看着头晕

[DaxDai]

引用 6 楼 daixudong192 的回复:

建议使用IDE的格式化代码吧，这代码格式看着头晕

发错了不好意思

[我纯洁全身都纯洁]

你不说你这代码什么意思谁能猜出来？

[OSCAR_chen_0317]

+1，没看懂要干什么

[紫色动力]

好长好长，是不是直接从IED中粘过来的？

[Day_Upupup]

你让别人帮你纠错，最起码你应该说自己有什么错误吧。一大堆代码贴上来，没有耐心看完的感觉