QR Code Generation and Reading using Java

By Avishi Jain

It generate the QR code for the given data. The generated QR code can be used to send the data from one device to another device in encoded form. It encrypts the data in the form of a QR code.

The QR code generator and reader allow you to generate and read the QR codes using Java programming language and Hash-Maps.
It involves encoding data into a QR code matrix and decoding data from a QR code matrix.
This is implemented by importing the ZXing libraries to encode the data into a QR code matrix and save it as an image file at the specified path location in your system.
Then, the saved file is used for the QR code Reader operation. It uses the ZXing library to decode the QR code matrix and retrieve the encoded data.