a. Create subclasses to extend Employee. The employee type may be distinguished further based on the job type (SECRETARY, ENGINEER, MANAGER, and TECHNICIAN) and based on the method of pay (SALARIED_EMPLOYEE, HOURLY_EMPLOYEE)

SECRETARY entity type has the specific attribute Typing_speed, whereas the ENGINEER entity type has the specific attribute Eng_type, but SECRETARY and ENGINEER share their other inherited attributes from the EMPLOYEE entity type.

SALARIED_EMPLOYEE entity type has the specific attribute Salary, whereas the HOURLY_EMPLOYEES entity type has the specific attribute Pay_scale.

Now explain the superclass and subclasses that you have just created.

Explain the disjointness and completeness constraints you have made while creating the specialization in question a.

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