Question: Add a public getEmployee method that accepts an integer index and then returns the Employee object found at that index in the collection of employees.

Add a public getEmployee method that accepts an integer index and then returns the Employee object found at that index in the collection of employees. Do not forget to add and enforce the precondition(s) on the index. Write unit tests for getEmployee: 1. Any and all precondition checks 2. Border conditions on the parameter 3. Finding the first, last, and middle employee

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