Text Event in java programming (V73)

 

TextEvent
TextEvent is part of the java.awt.event package and is used to indicate that the text value of a component has changed. It is commonly associated with components such as TextField or TextArea.

Example:

Source Code:

Copied!

    public TextEvent() {
        initComponents();
        jTextAreaChange.getDocument().addDocumentListener(new javax.swing.event.DocumentListener() {
        @Override
        public void insertUpdate(javax.swing.event.DocumentEvent e) {
            updateCount();
        }
        @Override
        public void removeUpdate(javax.swing.event.DocumentEvent e) {
            updateCount();
        }
        @Override
        public void changedUpdate(javax.swing.event.DocumentEvent e) {
            updateCount();
        }

        public void updateCount() {
            String text = jTextAreaChange.getText();
            labelshow.setText("Characters: " + text.length());
        }
        });
    }                                                 

Result:

Watch the video:

Ebook: https://softkhpc.blogspot.com/2025/05/java-programming-ebooks.html