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import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class MainClass extends JPanel implements ActionListener {
JTextField jtf = new JTextField(15);
public MainClass() {
add(jtf);
jtf.addActionListener(this);
}
// Show text when user presses ENTER.
public void actionPerformed(ActionEvent ae) {
System.out.println(jtf.getText());
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.getContentPane().add(new MainClass());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(200, 200);
frame.setVisible(true);
}
}
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