qr code library java code example
Example: qr code generator in java
public static BufferedImage generateQRCodeImage(String barcodeText) throws Exception {
QRCodeWriter barcodeWriter = new QRCodeWriter();
BitMatrix bitMatrix =
barcodeWriter.encode(barcodeText, BarcodeFormat.QR_CODE, 200, 200);
return MatrixToImageWriter.toBufferedImage(bitMatrix);
}