awteventtestanonymous.java

来自「samplecode 111 for J2SE project」· Java 代码 · 共 53 行

package soe;

import java.awt.Button;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class AWTEventTestAnonymous extends Frame {
/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
/**
* Event program of AWT using anonymous class
	*/
	Button button;
	Label label;
	public AWTEventTestAnonymous() {
	super("AWTEventTest");
	// setSize(200, 200);
	setLayout(new GridLayout(2, 1));
	// Create button
	button = new Button("Click here");
	add(button);
	// Create label
	label = new Label("");
	label.setAlignment(Label.CENTER);
	add(label);
	// Register action listener using anonymous class
	button.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent evt) {
	label.setText("Hello, My only one plant,vine ");
	pack();
	}
	});
	addWindowListener(new WindowAdapter() {
	public void windowClosing(WindowEvent e) {
	System.exit(0);
	}
	});
	// set the preferred size
	pack();
	// show the window
	//show(); // Java1.4
	setVisible(true); // Java1.5
	}
	public static void main(String[] args) {
	new AWTEventTestAnonymous();
	}
	}