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MatrixToImageWriter
✓ com.google.zxing.client.j2se.MatrixToImageWriter
Generates a QR code image using ZXing.
import com.google.zxing.BarcodeFormat;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import java.nio.file.Paths;
public class Main {
public static void main(String[] args) throws Exception {
QRCodeWriter writer = new QRCodeWriter();
BitMatrix matrix = writer.encode("Hello, ZXing!", BarcodeFormat.QR_CODE, 200, 200);
MatrixToImageWriter.writeToPath(matrix, "PNG", Paths.get("qrcode.png"));
System.out.println("QR code generated.");
}
}
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