Java generates an image and java generates an image.

Java generates an image and java generates an image.

Public class CreateImage {public static void main (String [] args) throws Exception {int width = 100; int height = 100; String s = "hello "; file file = new File ("/Users/tengxin/Pictures/image.jpg"); Font font = new Font ("Serif", Font. BOLD, 10); BufferedImage bi = new BufferedImage (width, height, BufferedImage. TYPE_INT_RGB); Graphics2D g2 = (Graphics2D) bi. getGraphics (); g2.setBackground (Color. WHITE); g2.clearRect (0, 0, width, height); g2.setPaint (Color. RED); FontRenderContext context = g2.getFontRenderContext (); Rectangle2D bounds = font. getStringBounds (s, context); double x = (width-bounds. getWidth ()/2; double y = (height-bounds. getHeight ()/2; double ascent =-bounds. getY (); double baseY = y + ascent; g2.drawString (s, (int) x, (int) baseY); ImageIO. write (bi, "jpg", file );}}

Java random Image Generation

You do not need to change your code too much, that is, the JLabel array labels is only a JLabel array and does not create a real JLabel object. Therefore, Add labels [I] = new JLabel (); that's all.
Source code:
Import javax. swing .*;
Import java. awt .*;

Public class Exercise_4 {

Public static void main (String [] args ){

JFrame frame = new JFrame ("Exercise 4 ");
Frame. setLayout (new GridLayout (3, 3 ));
Frame. setSize (300,300 );
Frame. setVisible (true );
Frame. setdefaclocloseoperation (JFrame. EXIT_ON_CLOSE );

JLabel [] labels = new JLabel [9];

For (int I = 0; I <9; I ++ ){
Labels [I] = new JLabel ();
Frame. add (labels [I]);

Int num = (int) (Math. random () * 3 ));

If (num = 0 ){
Labels [I]. setIcon (new ImageIcon ("X.jpg "));
}

Else if (num = 1 ){
Labels [I]. setIcon (new ImageIcon ("0.jpg "));
}
}
}
}

JAVA generates multiple images in one Action and displays them on JSP.

How can I display images on your jsp page? Is used?