Display Image using Toolkit.getImage()

This section illustrates you how to display the specified image using
Toolkit.getImage() method.
To display the image, put an image into the folder where the class is
specified. Class URL defines the resource. A resource can be a file or a
directory.
The method getClass().getResource() returns the resource file. A ToolKit
class provide methods to create GUI components and
obtaining information from them. The getToolkit() method of Container
class provides the toolkit of the component. The method getImage(url) of
class ToolKit returns an image from the specified
url.
The method drawImage(image, 20, 20, this) draws the
specified image at the specified location and in specified size.
Here is the code of ImageExample.java
import java.awt.*;
import javax.swing.*;
import java.net.URL;
public class ImageExample extends JApplet {
Image image;
public void init() {
loadImage();
}
public void loadImage() {
URL url = getClass().getResource("alert.gif");
image = getToolkit().getImage(url);
}
public void paint(Graphics g) {
g.drawImage(image, 20, 20, this);
}
public static void main(String[] args) {
JFrame frame = new JFrame("Image Example");
ImageExample example = new ImageExample();
frame.getContentPane().add(example);
example.init();
frame.setSize(200, 200);
frame.setVisible(true);
example.start();
}
}
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Output will be displayed as:

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