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each other when needed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JList.html">JList</A></B></CODE><BR> A component that allows the user to select one or more objects from a list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JMenu.html">JMenu</A></B></CODE><BR> An implementation of a menu -- a popup window containing <code>JMenuItem</code>s that is displayed when the user selects an item on the <code>JMenuBar</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JMenuBar.html">JMenuBar</A></B></CODE><BR> An implementation of a menu bar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JMenuItem.html">JMenuItem</A></B></CODE><BR> An implementation of an item in a menu.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JOptionPane.html">JOptionPane</A></B></CODE><BR> <code>JOptionPane</code> makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JPanel.html">JPanel</A></B></CODE><BR> JPanel is a generic lightweight container.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JPasswordField.html">JPasswordField</A></B></CODE><BR> JPasswordField is a lightweight component that allows the editing of a single line of text where the view indicates something was typed, but does not show the original characters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JPopupMenu.html">JPopupMenu</A></B></CODE><BR> An implementation of a popup menu -- a small window that pops up and displays a series of choices.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JPopupMenu.Separator.html">JPopupMenu.Separator</A></B></CODE><BR> A popup menu-specific separator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JProgressBar.html">JProgressBar</A></B></CODE><BR> A component that displays an integer value within a bounded interval.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JRadioButton.html">JRadioButton</A></B></CODE><BR> An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JRadioButtonMenuItem.html">JRadioButtonMenuItem</A></B></CODE><BR> An implementation of a radio button menu item.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JRootPane.html">JRootPane</A></B></CODE><BR> A lightweight container used behind the scenes by JFrame, JDialog, JWindow, JApplet, and JInternalFrame.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JScrollBar.html">JScrollBar</A></B></CODE><BR> An implementation of a scrollbar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JScrollPane.html">JScrollPane</A></B></CODE><BR> Provides a scrollable view of a component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JScrollPane.ScrollBar.html">JScrollPane.ScrollBar</A></B></CODE><BR> By default <code>JScrollPane</code> creates scrollbars that are instances of this class.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JSeparator.html">JSeparator</A></B></CODE><BR> An implementation of a menu separator -- a divider between menu items that breaks them up into logical groupings.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JSlider.html">JSlider</A></B></CODE><BR> A component that lets the user graphically select a value by slding a knob within a bounded interval.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JSplitPane.html">JSplitPane</A></B></CODE><BR> <code>JSplitPane</code> is used to divide two (and only two) <code>Component</code>s.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTabbedPane.html">JTabbedPane</A></B></CODE><BR> A component that lets the user switch between a group of components by clicking on a tab with a given title and/or icon.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTable.html">JTable</A></B></CODE><BR> <code>JTable</code> is a user-interface component that presents data in a two-dimensional table format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTextArea.html">JTextArea</A></B></CODE><BR> A TextArea is a multi-line area that displays plain text.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTextField.html">JTextField</A></B></CODE><BR> JTextField is a lightweight component that allows the editing of a single line of text.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTextPane.html">JTextPane</A></B></CODE><BR> A text component that can be marked up with attributes that are represented graphically.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JToggleButton.html">JToggleButton</A></B></CODE><BR> An implementation of a two-state button.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JToolBar.html">JToolBar</A></B></CODE><BR> <code>JToolBar</code> provides a component that is useful for displaying commonly used <code>Action</code>s or controls.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JToolBar.Separator.html">JToolBar.Separator</A></B></CODE><BR> A toolbar-specific separator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JToolTip.html">JToolTip</A></B></CODE><BR> Used to display a "Tip" for a Component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/JTree.html">JTree</A></B></CODE>⌨️ 快捷键说明
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