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 }
