Using Java Create An Image And Save To File

package com.pkm;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

public class Main {
    public static void main(String args[]) throws Exception {
 try {
     int width = 200, height = 200;
     // TYPE_INT_ARGB specifies the image format: 8-bit RGBA packed
     // into integer pixels
     BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
     Graphics2D ig2 = bi.createGraphics();
  
     ig2.setColor(Color.red);
     ig2.fillRect(0, 0, width, height);
  
     ig2.setColor(Color.green);
     ig2.fillOval(0, 0, width, height);
 
     Font font = new Font("TimesRoman", Font.BOLD, 80);
     ig2.setFont(font);
     String message = "PKM";
     FontMetrics fontMetrics = ig2.getFontMetrics();
     int stringWidth = fontMetrics.stringWidth(message);
     int stringHeight = fontMetrics.getAscent();
     ig2.setPaint(Color.black);
   
     ig2.drawString(message, (width - stringWidth) / 2, height / 2 + stringHeight / 4); 
   
     ImageIO.write(bi, "PNG", new File("ImageName.PNG"));   
     ImageIO.write(bi, "JPEG", new File("ImageName.JPG"));   
     ImageIO.write(bi, "gif", new File("ImageName.GIF"));   
     System.out.println("Image Create Done");  
 }  
 catch (Exception ex) {  
     ex.printStackTrace();  
 } 
    }
}

Output