Qunar Tech Salon
Feb 17, 2015 · Backend Development
Generating QR Codes in Java with QRGen and ZXing
This tutorial explains the basics of QR codes and provides step‑by‑step Java examples—including a Hello World program, URL encoding, image customization, and a servlet implementation—showing how to generate and serve QR codes using the ZXing and QRGen libraries.
Code ExampleQR CodeQRGen
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