[ [[tutorial-en-001 | Intro]] | [[tutorial-en-002 | Begin]] | [[tutorial-en-003 | if/else]] | [[tutorial-en-004 | Loops]] | [[tutorial-en-005 | Arrays]] | [[tutorial-en-006 | Graphics]] | [[tutorial-en-007 | Animation]] | [[tutorial-en-008 | Mouse]] | [[tutorial-en-009 | Game]] | [[tutorial-en-010 | Real]] | [[tutorial-en-011 | Methods]] | [[tutorial-en-012 | Class]] | [[tutorial-en-013 | Class 2]] | [[tutorial-en-014 | Applet]] | [[tutorial-en-015 | MouseClick]] | [[tutorial-en-016 | Thread]] | [[tutorial-en-017 | Button]] ] ---- ====== Java Basic Button Action ======


    import java.applet.*;
    import java.awt.*;
    import java.awt.event.*;

    public class ClickButton extends Applet implements ActionListener {
	// declare a textfield and Button
	TextField text1;
	Button button1;

	// initialize the applet
	public void init() {
		// set the textfield to 30 characters
		text1 = new TextField(30);

		// add the textfield to the applet
		add(text1);

		// initialize button and set its label
		button1 = new Button("click me");

		// add button to the applet
		add(button1);

		// set the actionlistener to the button
		button1.addActionListener(this);
	}

	// methods needed for actionlistener Interface
	public void actionPerformed(ActionEvent e) {
		// declare and initialize a string to be shown
		String message = "You clicked the button. Woo hoo";

		// if the source of the action is the button
		// ie if the button is clicked
		if (e.getSource() == button1) {
			// set the text of the textfield to our message
			text1.setText(message);
		}
	}
    }

And here is the html code to run it, just as a reminder.