Create a new maven project. Add below maven dependancy in to your pom.xml.
<dependency>
<groupId>net.glxn.qrgen</groupId>
<artifactId>javase</artifactId>
<version>2.0</version>
</dependency>
<groupId>net.glxn.qrgen</groupId>
<artifactId>javase</artifactId>
<version>2.0</version>
</dependency>
I want to create the barcode so that when someone scanned the code he gets the URL to my blog http://tech-lead.blogspot.com. Below is the java class that I am using to generate this QR code.
import net.glxn.qrgen.core.image.ImageType;
import net.glxn.qrgen.javase.QRCode;
import java.io.*;
public class CreateQrCode {
public static void main(String[] args) {
String url = "http://tech-lead.blogspot.com";
String outputFile = "E:/qr.png";
ByteArrayOutputStream bytes = QRCode.from(url).withSize(200, 200).to(ImageType.PNG).stream();
try {
OutputStream out = new FileOutputStream(outputFile);
bytes.writeTo(out);
out.flush();
out.close();
System.out.println("File created at " + outputFile);
} catch (Exception e) {
e.printStackTrace();
}
}
}
import net.glxn.qrgen.javase.QRCode;
import java.io.*;
public class CreateQrCode {
public static void main(String[] args) {
String url = "http://tech-lead.blogspot.com";
String outputFile = "E:/qr.png";
ByteArrayOutputStream bytes = QRCode.from(url).withSize(200, 200).to(ImageType.PNG).stream();
try {
OutputStream out = new FileOutputStream(outputFile);
bytes.writeTo(out);
out.flush();
out.close();
System.out.println("File created at " + outputFile);
} catch (Exception e) {
e.printStackTrace();
}
}
}
Run the above main method and you will see the file is generated in the given location. See below image.
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