Java and bar code reader

Question

How can I get input from a common bar code reader in a Java application?
Do I need come extra API or SDK to make it work?
I would be very grateful if you leave an example of this implementation.

Answer 1

- android : https://github.com/zxing/zxing
- pc : https://github.com/yushulx/java-barcode-qrcode-reader