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<html><head><title>java编程语言</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><link rel="stylesheet" href="../../../css/text.css" type="text/css"></head><body text="#000000" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" bgcolor="#FFFFFF" background="../../../images/html/java_17.jpg"><table width="100%" border="0" cellspacing="0" cellpadding="0" height="100%" background="../../../images/html/java_17.jpg"> <tr> <td valign="top"> <table border="0" cellspacing="1" cellpadding="1" align="left" width="100%"> <tr> <td valign="top" height="155" width="12"> <div align="center"> <div align="left"></div> <p align="left" class="pt9-black"> </p> </div> </td> <td valign="top" width="210"> <p class="pt9-black"><span class="biaoti_2">7.1.2 Swing的类层次结构<br> <br> </span><span class="explaination">在javax.swing包中，定义了两种类型的组件：顶层容器（JFrame，JApplet，JDialog和JWindow）和轻量级组件。Swing组件都是AWT的Container类的直接子类和间接子类。</span></p> </td> <td valign="top" width="5"> </td> </tr> </table> </td> </tr></table></body></html>⌨️ 快捷键说明
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