Download and Setup HabaneroJava (HJ) Package

Download the zip file containing the HJ package from https://svn.rice.edu/r/parsoft/projects/COMP322/2011/hj-1.2.0.zip
Now you have the zip file. Lets call it 'hj-version.zip'.
Unzip the file
unzip hj-version.zip
This will create a folder, namely 'hj-version'
Set the environment variable HJ_HOME to this new folder, hj-version
cd hj-version
export HJ_HOME=`pwd`
Set the environment variable PATH
export PATH=$HJ_HOME/bin:$PATH
You are all set to run HJ programs

Do the following to check if your HJ is setup properly.

Go to a folder with an HJ program. Lets say we go to hj-version/examples/fib/ which contains an HJ program that computes the Fibonacci of a given input number.
cd $HJ_HOME/examples/fib
Compile the HJ program, Fib.hj
hjc Fib.hj
Run the HJ program with appropriate arguments, Fib with an input 10.
hj Fib 10
You should get the following result, which is the Fibonacci value of 10.
55

Download the jar file corresponding to DrJava-HJ from https://svn.rice.edu/r/parsoft/projects/COMP322/2011/drjava-r5422-hj-1.2.0.0.jar
Now you have the jar file. Lets call it 'drjava-version.jar'.
You are all set to use the DrJava-HJ gui for HJ programs

Do the following to check if the DrJava-HJ gui is setup properly.

Open the DrJava-HJ gui
java -jar drjava-version.jar
Now you should have the DrJava-HJ gui running.
Open a HJ program. Lets say we open hj-version/examples/fib/Fib.hj.
Click on the open button on the top panel
Navigate to the folder containing Fib.hj
Select Fib.hj and click open
Compile the HJ program.
Click on the compile button on the top panel
The 'Compiler Output' tab in the bottom panel should show 'Compilation Completed'.
Go to the 'Console' tab in the bottom panel and check if there were any errors during compilation. All errors will be shown in RED.
Go to the 'Interactions' tab in the bottom panel. Run the program by typing the following.
run Fib 10
You should get the following output.
55

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