Login to http://rosebuild.csse.rose-hulman.edu with your Rose-Hulman username and password.
Click on the Student tab. You will see a list of the courses you are enrolled in.
Click on the Show Assignments button to the right of the CSSE220 course. You will see a list of Assignments.
Click on the Repo button next to the assignment you would like to retrieve. This should take you to the assignment repo on https://ada.csse.rose-hulman.edu.
Clone the repo and import the assignment into Eclipse according to these instructions.
Be sure to commit and push your solutions after solving each problem.
The workflow described above are also detailed in these screenshots.