Installation

For easy installation use JAVA SDK which you can download from https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Can I use the IDE without JAVA SDK?

No, you must install JAVA SDK to your system.

Setup

Using Maven Reference: https://mvnrepository.com/artifact/com.heidelpay.payment/heidelpayJava

<dependency>
  <groupId>com.heidelpay.payment</groupId>
  <artifactId>heidelpayJava</artifactId>
  <version>${latest-version}</version>
</dependency>