While working with Images we often think images I/O is similar to any other File I/O, I recently faced a situation when I had to work with Images in Java.
There might be several other ways to do it, I liked it through ImageIO utility.
1: //read it from a file.
2: BufferedImage fromFile = ImageIO.read(new File("path to the file"));
3: //read it from an InputStream
4: Buffered fromIs = ImageIO.read(new FileInputStream("path to the file"));
5: //read it from a URL
6: Buffered fromUrl = ImageIO.read(new URL("a URL for the image"));
1: //Read the Image from a byte Array - I am assuming the Image coming from a stream
2: BufferedImage image = ImageIO.read(new ByteArrayOutputStream(bytearray));
3: //Write the image to a file
4: ImageIO.write(image,"GIF",new FileOutputStream("path to the file"));