Lab: Skills - Using Gradescope

Instructions: Answer the following questions one at a time. After answering each question, check your answer (by clicking on the check-mark icon if it is available) before proceeding to the next question.

Getting Ready: Before going any further, you should:

Setup your development environment.
Depending on your development environment, create either a directory or a project for this lab.
Download the following files:

WhatAnEgo.java
Rater.java

to an appropriate directory/folder (e.g., the course downloads directory/folder). In most browsers/OSs, the easiest way to do this is by right-clicking/control-clicking on each of the links above and then selecting Save as... or Save link as....
Add the appropriate files you downloaded to the directory/project you created for this lab.
.java Files: In most IDEs, .java files (i.e., source files) can just be copied into the project. See the course "Help" page on your IDE for more information.

.class and .jar Files: In some IDEs it is easier to use .class files and in others it is easier to use a .jar file that contains the .class files. Hence, you have been provided with both. See the course "Help" page on your IDE for more information.

Resources: In some IDEs, resources (e.g., images, data files) need to be in a special directory whereas in others they need to be in the working directory. See the course "Help" page on your IDE for more information.

1. Getting Started: To get started you should login to Gradescope using your dukes.jmu.edu email and select the appropriate course. (You should have already created an account and joined the course!)

2. Submitting Simple Programs to Gradescope: This part of the lab will help you gain the skills you need to submit simple programs to Gradescope. If you have trouble at any point, you should refer to the CS Department Wiki on Submitting Code to Gradescope.

Start a file explorer or finder (depending on your operating system) and navigate to the directory/folder that contains the working source code (e.g., if you are using Eclipse, navigate to the src directory/folder under the directory/folder containing the project for this lab).
Click on the appropriate assignment. A dialog box should appear.
Select both WhatAnEgo.java and Rater.java.
Drag the two selected files from the file explorer/finder into the dialog box in the browser.
Click on Upload.
A dialog should appear telling you that your submission was successful (not that your code is correct) and you should receive an email telling you the same thing.
Close the dialog.
When the autograder finishes, a results page will be displayed.
Did your submission compile? How many points did you receive for that?
.

It did compile but no points were allocated to something as straightforward as writing syntactically correct code.
Did your submission comply with the specifications? How many points did you receive for that?
.

It did comply with the specifications but, again, that's straightforward, so no points were allocated to it.
How many points did you earn for "Style"? Out of how many?
.

0 out of 20.
Your submission contained style defects and was graded "all or nothing" (i.e., no partial credit was awarded). What are the style defects?
.

In WhatAnEgo.java there are two style defects on line 5 (a missing @author tag and a missing @version tag), one style defect on line 6 (the { is on the wrong line), one style defect on line 7 (the first sentence in the comment must end with a period), and one style defect on line 13 (the { is on the wrong line).
In Rater.java there is one style defect on line 16, a missing @param tag for the parameter name.
How many points did you earn for the "OfficialTests"? Out of how many?
.

0 out of 80.
Your submission contained logic defects and was graded "all or nothing" (i.e., no partial credit was awarded). What are the logic defects?
.

The code doesn't pass one of the official tests (named Test_Rater.ratingFor()). In particular, the return String must end in an exclamation point, not a period.
Modify WhatAnEgo.java and Rater.java so that they no longer have any style defects. (Hint: The additions must be done manually. The formatting can be fixed by Eclipse, you just need to select the code to re-format and click on Source+Format.)
Before re-submitting to Gradescope, run Checkstyle locally to ensure that you corrected all of the defects. (Remember, you should always run Checkstyle locally before submitting to Gradescope. It will save you time and reduce the work down by Gradescope, making it run faster for everyone.)
Re-submit the two source files.
What is different from your last submission?
.

This submission earned 20 points for style.
Modify Rater.java so that the ratingFor() method returns a String that ends in an exclamation point rather than a period.
Re-submit the two source files.
What is different now?
.

This submission earned 20 points for style and 80 points for the official tests.

3. Submitting More Complicated Programs to Gradescope: This part of the lab will help you gain the skills you need to submit more complicated programs to Gradescope. Specifically, it will help you gain the skills needed to submit .zip files containing your programs.

Create a .zip file named submission.zip that contains WhatAnEgo.java and Rater.java at the top level. (If you need help, see the CS Department Wiki on creating .zip files.)
In Gradescope, start the submission process.
Now, instead of selecting the two source files and dragging them into the dialog, drag the .zip file into the dialog.
What happened?
.

This submission earned 20 points for style and 80 points for the official tests.

4. Finishing Up: Remember to logout of Gradescope and shut down your browser.