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    <blockquote> <p>I'm making a system to convert Mose cord to English alphabet. I'm using jtextfeild called "write" to type text and another jtextfeild call "View" to view which is typed on write.</p> </blockquote> <ul> <li><p>use <code>DocumentListener</code> for <code>JTextComponent</code>s instead of low_level <code>KeyListener</code>, otheriwise you can't be able to input sequence of chars from (for example) <code>Ctrl+C</code> (SystemClipBoard), or remove selected chars, then output to anther <code>JComponent</code>s freeze without any, no changes are made, because <code>KeyListener</code> can firing an <code>Event</code> from single <code>Char</code> only </p></li> <li><p>plus you can use <code>DocumentFilter</code> in the case that you want to replace, remove, modify single <code>char</code> or <code>chars sequence</code> typed by user into <code>JTextField</code></p></li> </ul> <p>for example</p> <p><img src="https://i.stack.imgur.com/WBVYz.jpg" alt="enter image description here"></p> <pre><code>import java.awt.GridLayout; import javax.swing.*; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; public class TextLabelMirror { private JPanel mainPanel = new JPanel(); private JTextField field = new JTextField(20); private JTextField field1 = new JTextField(20); public TextLabelMirror() { field.getDocument().addDocumentListener(new DocumentListener() { @Override public void changedUpdate(DocumentEvent e) { updateLabel(e); } @Override public void insertUpdate(DocumentEvent e) { updateLabel(e); } @Override public void removeUpdate(DocumentEvent e) { updateLabel(e); } private void updateLabel(DocumentEvent e) { java.awt.EventQueue.invokeLater(new Runnable() { @Override public void run() { field1.setText(field.getText()); } }); } }); mainPanel.setLayout(new GridLayout(1, 0, 10, 0)); mainPanel.add(field); mainPanel.add(field1); } public JComponent getComponent() { return mainPanel; } private static void createAndShowUI() { JFrame frame = new JFrame("TextLabelMirror"); frame.getContentPane().add(new TextLabelMirror().getComponent()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } public static void main(String[] args) { java.awt.EventQueue.invokeLater(new Runnable() { @Override public void run() { createAndShowUI(); } }); } } </code></pre>
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    1. POHow to set list of symbles converted to alphabet?
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    1. POHow to set list of symbles converted to alphabet?
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    1. COAs I can understand from this cord field1 sets any value typed on feild. I want to specify those typed keys using some symbols(mose cord). so I think I need if else or that sort of selection system.
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    2. COnot you not need something special, but note you have two choices in (prerequisities is Map of Morse sing) 1. one enless String contians morse only DocumentListener 2. DocumentListener and DocumentFilter (and/or SPACE is added after block of chars is typped) more logical because you can to block input there for rest of keys from KeyBoard, allowed are only Dot and Minus for concrete JTextField
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    3. COI'm using netbeans so can you please show me how to call this documentListner method to designed jtextfeild, without this designing cords. Please can you help me for this.
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