Convert png to rgb565

Convert.java

public class Convert {
    public static void main(String[] args) {
        String pngFile = args[0];
        String datFile = args[1];

        try {
            BufferedImage image = ImageIO.read(new File(pngFile));

            try (
                    LittleEndianDataOutputStream outputStream = new LittleEndianDataOutputStream(new FileOutputStream(datFile))
            ) {

                for (int y = 0; y < image.getHeight(); y++) {
                    for (int x = 0; x < image.getWidth(); x++) {
                        int pixel = image.getRGB(x, y);
                        short rgb565 = (short) (((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) | ((pixel & 0xf8) >> 3));
                        outputStream.writeShort(rgb565);
                    }
                }
            }
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }
}

Convert.kt

fun main(args: Array<String>) {
    val (pngFile, datFile) = args

    try {
        val image = ImageIO.read(File(pngFile))
        LittleEndianDataOutputStream(FileOutputStream(datFile)).use { outputStream ->
            for (y in 0 until image.height) {
                for (x in 0 until image.width) {
                    val pixel = image.getRGB(x, y)

                    outputStream.writeShort(
                        ((pixel and 0xf80000 shr 8) or
                                (pixel and 0xfc00 shr 5) or
                                (pixel and 0xf8 shr 3))
                    )
                }
            }
        }
    } catch (e: Exception) {
        System.err.println(e.message)
    }
}