import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SText extends SJanela { JTextField tf = new JTextField(20); JTextArea ta = new JTextArea(2,20); class TextHandler implements ActionListener { public void actionPerformed(ActionEvent ae) { ta.append("\nTexto digitado foi:\n\t" + tf.getText()); } } public SText() { super("Janela e Texto, Swing"); Container c = getContentPane(); c.add(new JLabel("Digite algo:"), BorderLayout.NORTH); c.add(tf, BorderLayout.CENTER); c.add(ta, BorderLayout.SOUTH); tf.addActionListener(new TextHandler()); } public static void main(String[] args) { SText jt = new SText(); jt.setVisible(true); } }