Reduce border width on QR Codes generated by ZXing?

Question

I\'m using com.google.zxing.qrcode.QRCodeWriter to encode data and com.google.zxing.client.j2se.MatrixToImageWriter to generate the QR Code image. On a

Answer 1

    HashMap hintMap = new HashMap();
    hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.Q);
    hintMap.put(EncodeHintType.MARGIN, -1);

no margin

UPDATE

Add dependencies (from comments)

    com.google.zxing 
    core 
    3.2.0
    jar 
 
 
    com.google.zxing
    javase 
    3.2.0