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* Create a `test` method which ensures that each of the students in your current cohort are in your `Students` singleton.
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-### Part 7.2 - Create `Instructors` singleton
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-* Use `Part 7.0` and `Part 7.1` as a reference.
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+### Part 8.0 - Create and Test `Instructors` singleton
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+* Use `Part 7` as a reference.
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* Create a `Instructors` singleton which represents the set of instructors at ZipCodeWilmington.
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* Create a `TestInstructors` class.
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-### Part 8.1 - Create `ZipCodeWilmington` Class
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+### Part 9.1 - Create `ZipCodeWilmington` Class
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* Use `Part 7` as a reference.
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* Create a `ZipCodeWilmington` singleton.
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* The class should declare a field that references the instance of `Students` called `students`.
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@@ -133,7 +133,7 @@
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* The class should define a method `hostLecture` which makes use of a `long id, double numberOfHours` parameter to identify a respective `Instructor` to host a `lecture` to the composite `people` field in the `cohort` reference.
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-# Part 8.0 - Test `ZipCodeWilmington`
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+### Part 9.0 - Test `ZipCodeWilmington`
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* Create a `TestZipCodeWilmington` class.
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* Create a `testHostLecture` method which ensures that each of the `Student`'s `totalStudyTime` instance variable is incremented by the specified `numberOfHours` upon invoking the `.hostLecture` method.
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@@ -150,21 +150,21 @@
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* You may have noticed that the `findById`, and `hostLecture` methods require an intermediate [casting trick](https://stackoverflow.com/questions/5289393/casting-variables-in-java).
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* To remedy this issue, we can _generify_ the `People` class.
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-### Part 9.1 - Modify `People` class
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+### Part 10.1 - Modify `People` class
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* [Parameterize](https://stackoverflow.com/questions/12551674/what-is-meant-by-parameterized-type) the `People` signature to enfore that it is a container for objects of type `E` such that `E` is a subclass of `Person`.
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* Modify `people` field to enforce that is a container of objects of type `E`.
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* Modify the `add` method to ensure that it handles object of type `E`.
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* Modify the `getArray` method to ensure that it returns an object of type `E[]`.
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* Modify the `findById` method to ensure that it returns an object of type `E`.
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-### Part 9.2 - Modify `People` subclasses
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+### Part 10.2 - Modify `People` subclasses
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* Modify the `Students` class signature to ensure that it is a subclass of `People` of parameterized type `Student`.
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* Modify the `Instructors` class signature to ensure that it is a subclass of `People` of parameterized type `Instructor`.
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-### Part 9.3 - Refactor `ZipCodeWilmington` class
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+### Part 10.3 - Refactor `ZipCodeWilmington` class
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* Refactor the `hostLecture` method in the `ZipCodeWilmington` class by removing any intermediate _casting trick(s)_.
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-### Part 9.0 - Test refactored classes.
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+### Part 10.0 - Test refactored classes.
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* Ensure that the `TestStudents`, `TestInstructors`, `TestPeople`, `TestZipCodeWilmington` classes were no affected by the refactor.
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@@ -178,16 +178,16 @@
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Additionally, it's challengaing to ensure **every** `Person` instance has a unique ID amongst its respective `People` subclass.<br>
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To remedy this issue, we redesign and refactor.
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-### Part 9.1 - Create `Educator` enum
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+### Part 11.1 - Create `Educator` enum
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* Create an enum named `Educator`.
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* The enum should implement `Teacher`.
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* The enum should have an enumeration for each of the instructors represented in the `Instructors` class.
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* The enum should have an _empty nullary constructor_.
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-### Part 9.0 - Test `Educator`
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+### Part 11.0 - Test `Educator`
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* Use `Part 5` as a reference.
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-### Part 10.1 - Modify `Instructor` Class
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+### Part 12.1 - Modify `Instructor` Class
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* Annotate the constructor with `@Deprecated`.
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* This constructor should be commented with `//TODO - Remove dependencies`
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* Create a constructor in the `Instructor` class which uses `Educator educator` parameter to set a final `educator` field.
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@@ -195,6 +195,6 @@ To remedy this issue, we redesign and refactor.
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* Remove any calls being made to the deprecated construcor.
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* Remove the deprecated constructor from the class.
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-### Part 10.0 - Test `Instructor`
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+### Part 12.0 - Test `Instructor`
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* Refactor `TestInstructor` to support the newly created `Instructor` constructor.
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* Ensure the tests were not affected by the refactoring.
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