HJlib provides two jars for JDK8 and JDK7 compatibility. Installation instructions for both these are similar, except that the HJlib jar file needs to be different.
JDK8 installation instructions are mentioned first followed by instructions for JDK7.

JDK8 compatible HJlib

Here are the steps for running HJ-lib on Java 8 using an IDE:

Step 1: Java 8 Installation

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Running the file on my machine produces the following output for example:

JDK7 compatible HJlib

A Java 7 compatible jar is available for downlaod here: habanero-java-lib-jdk7-0.1.2-SNAPSHOT.jar

An IntelliJ project can be set up similar to the above instructions and the language level set to Java 8.

Code examples of HJlib with JDK7 compatibility are available here: examples directory