学步园

 1 package test;
 2 
 3 import java.awt.Container;
 4 import java.awt.Font;
 5 import java.awt.GridLayout;
 6 import java.io.File;
 7 import java.util.EmptyStackException;
 8 import java.util.Iterator;
 9 import java.util.Stack;
10 
11 import javax.swing.Icon;
12 import javax.swing.ImageIcon;
13 import javax.swing.JButton;
14 import javax.swing.JFrame;
15 import javax.swing.JLabel;
16 import javax.swing.JPanel;
17 import javax.swing.JPasswordField;
18 import javax.swing.JScrollPane;
19 import javax.swing.JSpinner;
20 import javax.swing.JSplitPane;
21 import javax.swing.JTabbedPane;
22 import javax.swing.JTextField;
23 import javax.swing.JToggleButton;
24 
25 public class ImplementsDemo {
26     public static void main(String[] args) throws EmptyStackException{
27         JFrame f=new JFrame("Welcome To Earth!");
28         JPasswordField ps1=new JPasswordField();
29         JPasswordField ps2=new JPasswordField();
30         ps2.setEchoChar('#');
31         JLabel lab1=new JLabel("默认的回显:");
32         JLabel lab2=new JLabel("回显设置@:");
33         lab1.setBounds(10, 10, 100, 20);
34         lab2.setBounds(10, 40, 100, 20);
35         ps1.setBounds(110, 10, 80, 20);
36         ps2.setBounds(110, 40, 50, 20);
37         f.setLayout(null);
38         f.add(lab2);
39         f.add(ps1);
40         f.add(lab1);
41         f.add(ps2);
42         f.setSize(300,100);
43         f.setLocation(300,200);
44         f.setVisible(true);
45         
46     }
47     
48 }