Add action listener to JTextField : ActionListener « Swing Event « Java Tutorial





import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JTextField;

public class Test extends JFrame {
  JTextField text = new JTextField("Press Return", 40);

  public Test() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    text.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        System.out.println("Text=" + text.getText());
      }
    });

    getContentPane().add(text, "Center");
    pack();
  }

  public static void main(String[] args) {
    new Test().setVisible(true);
  }
}










15.5.ActionListener
15.5.1.implements ActionListener and action class level variable
15.5.2.Handling an action listener
15.5.3.Check the event source in actionPerformed method
15.5.4.Use an Inner Class to handle the event
15.5.5.Use one inner class to handle events from two buttons
15.5.6.Get event source from ActionEvent
15.5.7.Add action listener to JTextField
15.5.8.ComboBox with ActionListenerComboBox with ActionListener
15.5.9.ActionEvent.getActionCommand()
15.5.10.Using an inner ActionListener class.