StackOverflow2013

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copied!<p>There are so many things that could be going wrong, without more code it's difficult to pin point an exact problem...</p> <p>A few things jump to mind...</p> <ul> <li>Use appropriate layout managers, even compound layout managers</li> <li>Provide additional information to the <code>JTextArea</code> to allow it to define a usable space, such as rows and columns</li> <li>Add the <code>JTextArea</code> to a <code>JScrollPane</code> to ensure that it doesn't suddenly occupy more space then is actually available</li> </ul> <p><img src="https://i.stack.imgur.com/XxbKj.png" alt="enter image description here"></p> <pre><code>import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JProgressBar; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; public class TestLayout21 { public static void main(String[] args) { new TestLayout21(); } public TestLayout21() { EventQueue.invokeLater(new Runnable() { @Override public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { } JFrame frame = new JFrame("Testing"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(new TestPane()); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } }); } public class TestPane extends JPanel { public TestPane() { setLayout(new BorderLayout()); JPanel actions = new JPanel(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth = GridBagConstraints.REMAINDER; gbc.fill= GridBagConstraints.HORIZONTAL; actions.add(new JButton("Walk"), gbc); actions.add(new JButton("Run"), gbc); actions.add(new JButton("Jump"), gbc); actions.add(new JButton("Eat"), gbc); actions.add(new JButton("Drink"), gbc); add(actions, BorderLayout.WEST); add(new JProgressBar(), BorderLayout.SOUTH); JTextArea textArea = new JTextArea(20, 40); add(new JScrollPane(textArea)); } @Override public Dimension getPreferredSize() { return new Dimension(200, 200); } } } </code></pre>

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