学步园

 1 package test;
 2 
 3 import java.awt.GridLayout;
 4 import java.awt.LayoutManager;
 5 //import java.util.EmptyStackException;
 6 
 7 import javax.swing.JFrame;
 8 import javax.swing.JLabel;
 9 import javax.swing.JScrollPane;
10 import javax.swing.JTextArea;
11 
12 public class test {
13     public static void main(String[] args) {
14         JFrame f = new JFrame("Welcome To Earth!");
15         JTextArea jt = new JTextArea(3, 20);
16         jt.setLineWrap(true);// 如果内容过长。自动换行
17 
18         JScrollPane scr = new JScrollPane(jt,
19                 JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
20                 JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
21         // lab.setBounds(10, 10, 120, 20);
22 // jt.setBounds(130, 10, 150, 100);
23         JLabel lab = new JLabel("多行输入文本:");
24 
25         f.setLayout(new GridLayout(2, 1));
26         
27         f.add(lab);
28         f.add(scr);
29         // f.add(jt);
30         f.setSize(300, 150);
31         f.setLocation(300, 200);
32         f.setVisible(true);
33 
34     }
35 
36 }