每个容器都有一个布局管理器

 1 package TomAwt;
 2 
 3 
 4 import java.applet.Applet;
 5 import java.awt.*;
 6 public class TomAwt_17 extends Applet{
 7     private TextArea textArea1,textArea2;
 8     public void init()
 9     {
10         //creating 2 10*20 TextAreas
11         textArea1=new TextArea("Read-only Text!",10,20);
12         textArea2=new TextArea(10,20);
13         //set textArea1 read-only
14         textArea1.setEditable(false);
15         add(textArea1);
16         add(textArea2);
17     }
18 }