[coco]

You're using the assignment operator in your if statements, you should be using the comparison operator:

Code:

gradingType == 1

These statements here don't make sense to me:

Code:

new TriageRubric(GradeMapper(percent));

What are you trying to do there? Trying to create a new instance of TriageRubric? If so, I see a few things:

1. The syntax is off to create a new instance
2. I don't see any constructor accepting arguments
3. You cannot make an instance of an interface

Greetings.