frame_frm.html
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<TITLE>Creating a JFrame
(Java Developers Almanac Example)
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
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<A HREF="../index.html">List of Packages</A>
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<B><A HREF="../javax.swing/pkg.html">javax.swing</A></B><font color="#666666" SIZE="-2">
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<B><A HREF="../javax.swing/pkg.html#JFrame,%20JWindow,%20JDialog">JFrame, JWindow, JDialog</A></B><font color="#666666" SIZE="-2">
[6 examples]
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<h3>
e737.
Creating a JFrame</h3>
A frame is a component container that displays its contents in a
top-level window with a title bar and buttons to resize, iconify,
maximize, and close the frame.
<P> Unlike most Swing containers, adding a component to a frame is
not done with the <code>JFrame.add()</code> method. This is because the
frame holds several panes and it is necessary to specify a
particular pane to which to add the component. The pane that holds
child components is called the content pane. This example adds a text
area to the content pane of a frame.
<P> See also <a href="../java.awt/frame_CreateFrame.html" class="eglink"><font size="-1"><b>e564</b> Creating a Frame</font></a>.
<pre>
// Create the frame
String title = <font color="#0066ff"><i>"Frame Title"</i></font>;
JFrame frame = new JFrame(title);
// Create a component to add to the frame
JComponent comp = <font color="#0066ff"><i>new JTextArea()</i></font>;
// Add the component to the frame's content pane;
// by default, the content pane has a border layout
frame.getContentPane().add(comp, BorderLayout.<font color="#0066ff"><i>CENTER</i></font>);
// Show the frame
int width = <font color="#0066ff"><i>300</i></font>;
int height = <font color="#0066ff"><i>300</i></font>;
frame.setSize(width, height);
frame.setVisible(true);
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Related Examples
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e738. <a class="eglink" href="frame_CloseExit.html?l=rel">
Exiting an Application When a JFrame Is Closed
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e739. <a class="eglink" href="frame_DisableClose.html?l=rel">
Disabling the Close Button on a JFrame
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e740. <a class="eglink" href="frame_Window.html?l=rel">
Creating a Borderless Window
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e741. <a class="eglink" href="frame_Dialog.html?l=rel">
Showing a Dialog Box
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e742. <a class="eglink" href="frame_FrameFind.html?l=rel">
Getting the JFrame of a Component
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See also:
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Actions">
Actions
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JButton">
JButton
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JCheckBox">
JCheckBox
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JComboBox">
JComboBox
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JDesktop%20and%20JInternalFrame">
JDesktop and JInternalFrame
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JLabel">
JLabel
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JList">
JList
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JProgressBar">
JProgressBar
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JRadioButton">
JRadioButton
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JScrollPane">
JScrollPane
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JSlider">
JSlider
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JSpinner">
JSpinner
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JSplitPane">
JSplitPane
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JTabbedPane">
JTabbedPane
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#JToolBar">
JToolBar
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Keystrokes%20and%20Input%20Maps">
Keystrokes and Input Maps
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Layout">
Layout
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Look%20and%20Feel">
Look and Feel
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Menus">
Menus
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Progress%20Monitor">
Progress Monitor
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#The%20Screen">
The Screen
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<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#Tool%20Tips">
Tool Tips
</a>
<a class="eglink" href="/egs/javax.swing/pkg.html?l=rel#UI%20Default%20Values">
UI Default Values
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