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    <p>Here's a code example showing how to show/hide a grouped component, which is implemented as a <code>JPanel</code> as others have suggested. The <code>GroupedComponent</code> retains it's size even when hidden.</p> <p><img src="https://i.stack.imgur.com/Lanx5.png" alt="enter image description here"> &nbsp; <img src="https://i.stack.imgur.com/0sbo4.png" alt="enter image description here"></p> <pre><code>import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.SwingUtilities; import javax.swing.border.CompoundBorder; import javax.swing.border.EmptyBorder; import javax.swing.border.LineBorder; public class SimpleTest extends JFrame { GroupedComponent test = new GroupedComponent("one", "two", "three"); public SimpleTest() { super("GroupedComponent Example"); JPanel content = (JPanel)getContentPane(); content.setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10)); final JButton hideButton = new JButton(test.getButtonText()); hideButton.setPreferredSize(new Dimension(100,hideButton.getPreferredSize().height)); hideButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { test.toggle(); hideButton.setText(test.getButtonText()); } }); content.add(hideButton); content.add(test); } public static void main(String[] argv) { SwingUtilities.invokeLater(new Runnable() { public void run() { SimpleTest c = new SimpleTest(); c.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); c.pack(); c.setVisible(true); } }); } class GroupedComponent extends JPanel { boolean visible = true; JTextField field; JButton button; JLabel label; GroupedComponent(String fieldText, String buttonText, String labelText) { super(new GridLayout(1, 3, 4, 4)); field = new JTextField(fieldText); button = new JButton(buttonText); label = new JLabel(labelText); add(field); add(button); add(label); setBorder(new CompoundBorder(new LineBorder(Color.lightGray), new EmptyBorder(4,4,4,4))); } void toggle() { if(visible) { visible = false; field.setVisible(false); button.setVisible(false); label.setVisible(false); } else { visible = true; field.setVisible(true); button.setVisible(true); label.setVisible(true); } } String getButtonText() { return visible ? "Hide" : "Show"; } } } </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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