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public class Main {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
final JFrame frame = new JFrame("Test");
JPanel panel = new JPanel();
frame.setContentPane(panel);
final JTextField jTextField = new JTextField(30);
panel.add(jTextField);
jTextField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String title = jTextField.getText();
frame.setTitle(title);
}
});
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400, 400);
frame.setVisible(true);
}
}