Programming Assignment #$5$

Employee Management

GENERAL DESCRIPIION:

Create an employee management system to manage set of employee information for human resources department of a company

DATA MODEL DEFINITION:

Employee: class with following private instance and static variables

lastAssignedId: static integer variable used to generate id starting at $200$

id: auto$-$generated integer instance variable using static lastAssignedld field to set the value upon creation

name: string instance variable of format "FirstName LastName"

department: string instance variable with one of these values $-$ Sales, Technology, or Executive. When creating object or setting department, validate that the department is one of these $3$ values only. If the department is not valid, do not set the instance variable and throw an IllegalArgumentException with message: "Invalid Department fieldValue $-$ only Sales, Technology, or Executive are allowed" where fieldValue is value of invalid department

phoneNumber: string of format $"$xxx$-$xxx$-$xxxx$"$ where first $3$ digits are the area code

METHODS DEFINITION:

All classes should have the following public instance methods:

Default constructor with no arguments

Constructor with all fields

Demo Requirements:

Write a demonstration program that will create multiple employees, store them in an array, demonstrate boolean methods, and print out all employees. You must include a try catch when creating objects where you demonstrate catching the IllegalArgumentException. You do not need to do user input. You should create at least $5$ employee objects and store them in an array.

UML Class DIAGRAM:

The Employee class must match the information given in this class diagram.

$\backslash$table$[[$Employee$],[-$lastAssignedId: int $=200$