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一个java的web的聊天的程序的客户端

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                  <td width="494"><font color="#FF3300" size="4" face="宋体"><br>
                    </font><font face="宋体" color="#ff3300" size="4"><b><b>第3页:设置该“Chat”的面貌 
                    </b></b></font><font face="宋体"><big><br>
                    </big>作者</font><a href="mailto:[e-mail]"
    title="Send
mail to Brian Slesinsky"><font color="#000000" size="3" face="宋体">Brian Slesinsky</font></a><big><font face="宋体"> 
                    </font></big></td>
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                  <td valign="top" rowspan="2" width="494" bgcolor="#FFFFFF"><font size="3">下面的任务是修改小程序使其显得象一个闲聊客户端。这需要为其<br>
                    生成<font face="宋体"><tt>TextArea</tt></font>和<font face="宋体"><tt>TextField</tt></font>接口，它们很象<font
    face="宋体">HTML</font>表单中的用法。在<br>
                    这里我们不需要用<font face="宋体"><tt>paint()</tt> </font>方法来画出这些接口，因为它们可以自<br>
                    行生成。我们用<font face="宋体"><tt>init()</tt></font>方法代替<font
    face="宋体">paint()</font>，<font face="宋体">init( )</font>方法在小程序一启动<br>
                    时即被调用，并生成接口，将其加入小程序中（新加的编码用加重<br>
                    体字显示）： 
                    <p><font face="宋体"><b>Chat.java:</b> </font></p>
                    <pre><font face="宋体">
import java.applet.Applet;
import java.awt.*;

public class Chat extends Applet {<b>
  TextArea ta;
  TextField tf;

  public void init() {
    ta = new TextArea(&quot;&quot;,20,80);
    ta.setEditable(false);
    add(ta);

    tf = new TextField(80);
    add(tf);
  }</b>
}
</font></pre>
                    <p><font face="宋体">(</font>这里是修改后的<a
    href="http://www.hotwired.com/webmonkey/code/97/24/applets/4.html">小程序</a><font
    face="宋体">) </font></p>
                    <p>然而，小程序的显示可能会出问题，因为<font face="宋体">HTML</font>网页用象素设定小<br>
                      程序的尺寸，而接口的尺寸却由操作平台设定的字体的尺寸决定，<br>
                      很难保证每个人看到的该网页会完全一致。我所选择的尺寸在<br>
                      <font face="宋体">Windows</font>和<font face="宋体">Macintosh</font>中可能基本正常，但<font
    face="宋体">Unix</font>用户可能必须拷贝<br>
                      该<font face="宋体">HTML</font>网页并修改其中的某些数据。 </p>
                    </font> 
                    <p><font size="3">第<font face="宋体">1</font>页：<a href="index.html">闲聊服务器的<font
    face="宋体">Java</font>客户端</a><br>
                      第<font face="宋体">2</font>页：</font><font size="3" face="宋体"><a
    href="index2a_page2.htm">'Hello World' 测试</a><b><br>
                      </b>第3页：<a href="index2a_page3.htm">设置该'Chat'的面貌</a><br>
                      第4页：<a href="index2a_page4.htm">处理Input事件</a><br>
                      第5页：<a href="index2a_page5.htm">连接到闲聊服务器上</a><br>
                      第6页：<a href="index2a_page6.htm">传输文本</a><br>
                      第7页：<a href="index2a_page7.htm">Java的移植性</a><br>
                      第8页：<a href="index2a_page8.htm">最后的工作</a><br>
                      </font>
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