Ⅰ 求人幫忙完成安卓大作業，開發一個記賬本或記事本的小程序，要有具體步驟解釋的，，誰能幫幫我，一點都不
package tuxingjiemian;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.io.PrintStream;
public class jishiben extends JFrame {
JPanel jp=new JPanel();
JFrame find_replace=new JFrame();
JMenu file=new JMenu("文件");
JMenu edit=new JMenu("編輯");
JMenu help=new JMenu("幫助");
JMenuBar menubar=new JMenuBar();
JTextArea aa=new JTextArea();
class Open implements ActionListener {
public void actionPerformed(ActionEvent e) {
JFileChooser jf= new JFileChooser();
jf.showOpenDialog(jishiben.this);
try {
PrintStream p=new PrintStream(jf.getSelectedFile().getPath());
} catch (Exception e2) {
}
}
}
class Save implements ActionListener {
public void actionPerformed(ActionEvent e) {
JFileChooser jf= new JFileChooser();
jf.showSaveDialog(jishiben.this);
try {
PrintStream p=new PrintStream(jf.getSelectedFile().getPath());
} catch (Exception e2) {
}
}
}
public jishiben(){
this.setTitle("記事本");
this.setSize(500, 500);
this.setLayout(new BorderLayout());
JMenuItem open=new JMenuItem("打開");
open.addActionListener(new Open());
JMenuItem save=new JMenuItem("保存");
save.addActionListener(new Save());
JMenuItem exit=new JMenuItem("退出");
exit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
file.add(open);
file.add(save);
file.addSeparator();
file.add(exit);
menubar.add(file);
this.add(new JScrollPane(aa),BorderLayout.CENTER);
JMenuItem =new JMenuItem("復制");
JMenuItem past=new JMenuItem("粘貼");
JMenuItem delete=new JMenuItem("刪除");
JMenuItem find=new JMenuItem("查找");
JMenuItem replace=new JMenuItem("替換");
.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jishiben.this.aa.();
}
});
past.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jishiben.this.aa.paste();
}
});
delete.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jishiben.this.aa.replaceSelection(null);
}
});
edit.add();
edit.add(past);
edit.add(delete);
edit.add(find);
edit.add(replace);
menubar.add(edit);
help.add(new JMenuItem("幫助"));
menubar.add(help);
this.add(menubar,BorderLayout.NORTH);
this.setVisible(true);
this.setDefaultCloseOperation(this.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new jishiben();
}
};