CS210

Intermediate Computing with Data Structures



Swami Iyer · CS · UMB

Programming Environment Setup

Select Your Operating System

Ubuntu Linux

Launch a terminal and run the following commands:

Change to your home folder.

$ cd $HOME

Install OpenJDK.

$ sudo apt-get install openjdk-21-jdk

Create lib and workspace folders.

$ mkdir lib workspace

Download stdlib.jar under ~/lib.

$ wget https://www.cs.umb.edu/~siyer/teaching/stdlib.jar -P lib

Download dsa.jar under ~/lib.

$ wget https://www.cs.umb.edu/~siyer/teaching/dsa.jar -P lib

Set the environment variable CLASSPATH.

$ echo "export CLASSPATH=.:./out:$HOME/lib/stdlib.jar:$HOME/lib/dsa.jar" >> $HOME/.bashrc

Download and install IntelliJ (Community Edition).

To test your environment, download and unzip the dsaj.zip under ~/workspace, launch IntelliJ, open the project ~/workspace/dsaj, and run the following commands in the IntelliJ terminal:

$ javac -d out src/HelloWorld.java

$ java HelloWorld

To setup a project JDK in IntelliJ, open the project, go to File > Project Structure > Project Settings > Project, and from the SDK list select the OpenJDK you installed in a previous step.

Mac OS X

Launch a terminal and run the following commands:

Change to your home folder.

$ cd $HOME

Install brew.

$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Install OpenJDK and wget.

$ brew install openjdk@21 wget

Create lib and workspace folders.

$ mkdir lib workspace

Download stdlib.jar under ~/lib.

$ wget https://www.cs.umb.edu/~siyer/teaching/stdlib.jar -P lib

Download dsa.jar under ~/lib.

$ wget https://www.cs.umb.edu/~siyer/teaching/dsa.jar -P lib

Set the environment variable CLASSPATH.

$ echo "export CLASSPATH=.:./out:$HOME/lib/stdlib.jar:$HOME/lib/dsa.jar" >> $HOME/.zshenv

Download and install IntelliJ (Community Edition).

To test your environment, download and unzip the dsaj.zip under ~/workspace, launch IntelliJ, open the project ~/workspace/dsaj, and run the following commands in the IntelliJ terminal:

$ javac -d out src/HelloWorld.java

$ java HelloWorld

To setup a project JDK in IntelliJ, open the project, go to File > Project Structure > Project Settings > Project, and from the SDK list select the OpenJDK you installed in a previous step.

Windows

Launch a powershell terminal and run the following commands:

Change to your home folder.

$ cd $HOME

Create lib and workspace folders.

$ mkdir lib,workspace

Download stdlib.jar under ~/lib.

$ wget -O lib\stdlib.jar https://www.cs.umb.edu/~siyer/teaching/stdlib.jar

Download dsa.jar under ~/lib.

$ wget -O lib\dsa.jar https://www.cs.umb.edu/~siyer/teaching/dsa.jar

Set the environment variable CLASSPATH.

$ setx CLASSPATH ".;.\out;$HOME\lib\stdlib.jar;$HOME\lib\dsa.jar"

Download and unzip OpenJDK 21 for Windows under some folder, say C:\jdk21. Run the following command in a powershell terminal:

Update the environment variable PATH to include the C:\jdk21\bin folder.

$ setx PATH "$env:PATH;C:\jdk21\bin"

Download and install IntelliJ (Community Edition). Launch IntelliJ, go to Configure → Settings → Tools → Terminal, and set Shell path to powershell.

To test your environment, download and unzip the dsaj.zip under ~/workspace, launch IntelliJ, open the project ~/workspace/dsaj, and run the following commands in the IntelliJ terminal:

$ javac -d out src/HelloWorld.java

$ java HelloWorld

To setup a project JDK in IntelliJ, open the project, go to File > Project Structure > Project Settings > Project, and from the SDK list select the OpenJDK you installed in a previous step.