2.4 Grade Book Assignment

2.4 Grade Book Assignment — overview

Work through the user stories in order. Each story states the goal and acceptance criteria; its nested tasks retain the detailed implementation and verification steps.

1.Gather your resources

A Open the assignment resources

Feedback System Go to the completion checklist

Set up the checkpoint

2.Copy your GradeBook 2.3 Assignment and rename the folder to 2.4 and the sln to 2.4

A Verify the required change or observation

Check the result against this instruction: Copy your GradeBook 2.3 Assignment and rename the folder to 2.4 and the sln to 2.4

Encapsulate assignment and assistant lists

3.Review the feature design

A Identify the contracts and expected behavior

This focused design shows the members or flow relevant to this feature. Keep unchanged members from your preceding checkpoint; follow the tasks below for the order of intermediate edits.

Private lists and public wrappers. class Course { - assignments : List<Assignment> {readOnly} + Course() + AddAssignment(assignment : Assignment) : void } class Instructor { - assistants : List<Instructor> {readOnly} + Instructor() + AddAssistant(assistant : Instructor) : void } Course "1" --> "0..*" Assignment : assignments Instructor "1" --> "0..*" Instructor : assistants — Private lists and public wrappers

4.Modify the class structure using this story’s design reference

Review this feature’s design and requirements

A Verify the required change or observation

Check the result against this instruction: Modify the class structure using this story’s design reference.

5.Move the instantiation of the Lists from the field definition to their respective constructors

Review this feature’s design and requirements

A Verify the required change or observation

Check the result against this instruction: Move the instantiation of the Lists from the field definition to their respective constructors.

6.Call the AddAssignment method and pass in the assignments instead of calling the Add method

A Verify the required change or observation

Check the result against this instruction: Call the AddAssignment method and pass in the assignments instead of calling the Add method.

7.Call the AddAssistant method and pass in the assistants instead of calling the Add method

A Verify the required change or observation

Check the result against this instruction: Call the AddAssistant method and pass in the assistants instead of calling the Add method.

8.In the AddAssignment and AddAssistant methods, add the passed in object to their respective List

A Verify the required change or observation

Check the result against this instruction: In the AddAssignment and AddAssistant methods, add the passed in object to their respective List.

9.Check Your Work

A Build your solution. Ensure it compiles without error or warnings

Hide internal fields and tutor selection

10.Review the feature design

A Identify the contracts and expected behavior

This focused design shows the members or flow relevant to this feature. Keep unchanged members from your preceding checkpoint; follow the tasks below for the order of intermediate edits.

Private implementation details. class MainWindow { - blackboard : GradeBook - canvas : GradeBook } class Instructor { - numberOfStudentsTutored : int } class Assignment { - submission : Attempt } class Course { - GetTutor(knowledgeLevel : double) : Instructor } — Private implementation details

11.Make the method and fields private using this story’s design reference

Review this feature’s design and requirements

A Verify the required change or observation

Check the result against this instruction: Make the method and fields private using this story’s design reference.

12.Check Your Work

A Ensure that your solution compiles without error or warnings

Submit your work

13.Ensure that all code is StyleCop compliant

A Verify the required change or observation

Check the result against this instruction: Ensure that all code is StyleCop compliant

14.Zip the solution and submit to the Feedback System

A Verify the required change or observation

Check the result against this instruction: Zip the solution and submit to the Feedback System

15.Submit the Feedback System URL to the correct assignment in Canvas

A Verify the required change or observation

Check the result against this instruction: Submit the Feedback System URL to the correct assignment in Canvas.

Completion checklist

16.Review the required evidence

A Check every acceptance criterion

Return to each user story and confirm that you can demonstrate its acceptance criteria. Use the task checkboxes to track completion; a checked box is not a substitute for testing or inspecting the required evidence.

Encapsulate assignment and assistant lists Hide internal fields and tutor selection

B Build and inspect the final solution

Remove temporary lines used only to demonstrate compile-time errors. Build without errors or warnings, check StyleCop compliance, and rerun the required scenario paths.

C Follow this activity’s submission instructions

Use the submission or attendance instructions in this page. For a Feedback System submission, upload the requested ZIP, review and resolve the feedback, and submit the resulting URL to the matching Canvas activity. For a Canvas quiz, enter only the requested answers; for an oral final, complete the scheduling and attendance steps.

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