Java by API/javax.swing/ImageIcon

ImageIcon: getImage()

  
import java.awt.Image;
import javax.swing.GrayFilter;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Main {
  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    ImageIcon icon = new ImageIcon("yourFile.gif");
    Image normalImage = icon.getImage();
    Image grayImage = GrayFilter.createDisabledImage(normalImage);
    Icon warningIcon = new ImageIcon(grayImage);
    JLabel warningLabel = new JLabel(warningIcon);
    JLabel label3 = new JLabel("Warning", icon, JLabel.CENTER);
    frame.add(warningLabel,"Center");
    frame.add(label3,"South");
    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

ImageIcon: setDescription(String description)

  

import javax.swing.ImageIcon;
public class Main {
  public static void main(String[] argv) throws Exception {
    ImageIcon icon = new ImageIcon("image.gif");
    icon.setDescription("Description of Image");
  }
}

new ImageIcon(String filename)

  
import java.awt.Image;
import javax.swing.ImageIcon;
public class Main {
  public static void main(String[] a) {
    ImageIcon imageIcon = new ImageIcon("yourFile.gif");
    Image image = imageIcon.getImage();
  }
}