What are different libraries to generate QR code and example in java
There are several libraries available to generate QR codes in Java. Here are a few popular ones: 1. ZXing : ZXing is a popular open-source library for generating QR codes in Java. It is also known as the "Zebra Crossing" library. Here is an example of how to use ZXing to generate a QR code: import com.google.zxing.BarcodeFormat; import com.google.zxing.WriterException; import com.google.zxing.client.j2se.MatrixToImageWriter; import com.google.zxing.common.BitMatrix; import com.google.zxing.qrcode.QRCodeWriter; import java.io.IOException; import java.nio.file.FileSystems; import java.nio.file.Path; public class QRCodeGenerator { public static void main(String[] args) { String data = "Hello, World!"; String fileName = "qrcode.png"; int size = 250; QRCodeWriter qrCodeWriter = new QRCodeWriter(); BitMatrix bitMatrix; try { bitMatrix = qrCodeWriter.encode(data, BarcodeFormat.QR_