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copied!<p>This is what I use:</p> <pre><code>DefaultCaret caret = (DefaultCaret) textArea.getCaret(); caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE); </code></pre> <p>Here's how you implement it:</p> <pre><code>public class Test { public static void createFrame() { EventQueue.invokeLater(new Runnable() { @Override public void run() { JFrame frame = new JFrame("Test"); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); } JPanel panel = new JPanel(); panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS)); panel.setOpaque(true); JTextArea textArea = new JTextArea(15, 50); textArea.setWrapStyleWord(true); textArea.setEditable(false); textArea.setFont(Font.getFont(Font.SANS_SERIF)); JScrollPane scroller = new JScrollPane(textArea); scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); JPanel inputpanel = new JPanel(); inputpanel.setLayout(new FlowLayout()); JTextField input = new JTextField(20); JButton button = new JButton("Enter"); DefaultCaret caret = (DefaultCaret) textArea.getCaret(); caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE); panel.add(scroller); inputpanel.add(input); inputpanel.add(button); panel.add(inputpanel); frame.getContentPane().add(BorderLayout.CENTER, panel); frame.pack(); frame.setLocationByPlatform(true); frame.setVisible(true); frame.setResizable(false); input.requestFocus(); } }); } public static void main(String... args) { createFrame(); } } </code></pre> <p>What that should look like:</p> <p><img src="https://i.stack.imgur.com/XQJlb.png" alt="enter image description here"></p>

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