Braintree_java_examples is a project mainly written in ..., it's free.
examples of integrating with braintree using java
This project contains examples of integrating with the Braintree payment gateway using the Braintree Java Library.
A webapp example of creating one time transactions using the Braintree transparent redirect API. See trcheckout/README.md for more information.
A webapp example of creating customer and associated credit card vault records using the Braintree transparent redirect API. See trvault/README.md for more information.