E:\java2\GridLayout>javac GridLayoutDemo.java
GridLayoutDemo.java:6: missing method body, or declare abstract
        public void init();
                    ^
1 error

E:\java2\GridLayout>javac LoginDialogDemo.java
error: cannot read: LoginDialogDemo.java
1 error

E:\java2\GridLayout>javac LoginDialogDemo.java
LoginDialogDemo.java:4: 'class' or 'interface' expected
public classLoginDialogDemo extends JFrame
       ^
1 error

E:\java2\GridLayout>javac LoginDialogDemo.java
LoginDialogDemo.java:13: cannot resolve symbol
symbol  : constructor ActionEvent ()
location: class java.awt.event.ActionEvent
                button.addActionListener(new ActionEvent()
                                         ^
LoginDialogDemo.java:15: cannot resolve symbol
symbol  : constructor ActionEvent ()
location: class java.awt.event.ActionEvent
                                public void actionPerformed(ActionEvent e){showL
oginDialog(frame);}});
                                            ^
LoginDialogDemo.java:13: addActionListener(java.awt.event.ActionListener) in jav
ax.swing.AbstractButton cannot be applied to (<anonymous java.awt.event.ActionEv
ent>)
                button.addActionListener(new ActionEvent()
                      ^
LoginDialogDemo.java:16: cannot resolve symbol
symbol  : method setSizeL (int,int)
location: class LoginDialogDemo
                this.setSizeL(300,200);
                ^
LoginDialogDemo.java:24: cannot resolve symbol
symbol  : class GridLayoutField
location: class LoginDialogDemo
                JTextField tfUserName=new GridLayoutField();
                                          ^
LoginDialogDemo.java:27: cannot resolve symbol
symbol  : variable tfUsername
location: class LoginDialogDemo
                p.add(tfUsername);
                      ^
LoginDialogDemo.java:30: cannot resolve symbol
symbol  : variable JOptionpane
location: class LoginDialogDemo
                if(JOptionPane.showConfirmDialog(frame,p,"Login",JOptionPane.OK_
CANCEL_OPTION,JOptionpane.PLAIN_MESSAGE)==JOptionPane.OK_OPTION)

              ^
LoginDialogDemo.java:32: cannot resolve symbol
symbol  : variable ftUseName
location: class LoginDialogDemo
                                System.out.println("User Name:"+ftUseName.getTex
t());
                                                                ^
8 errors


E:\java2\GridLayout>...
'...' 不是內部或外部命令，也不是可運行的程序
或批處理文件。

E:\java2\GridLayout>cd...

E:\java2\GridLayout>cd..

E:\java2>BoxLayout
'BoxLayout' 不是內部或外部命令，也不是可運行的程序
或批處理文件。

E:\java2>cd BoxLayout

E:\java2\BoxLayout>javac BoxLayoutFrame.java
BoxLayoutFrame.java:21: invalid method declaration; return type required
BoxLayoutText()
^
BoxLayoutFrame.java:29: ')' expected
add(new JLabel("TextArea");
                          ^
BoxLayoutFrame.java:31: ')' expected
add(new JLabel("Button");
                        ^
3 errors

E:\java2\BoxLayout>