Class Employee

How to print message when year work is negative?
Please help!

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#include "employee.h"
#include <iostream>
#include <iomanip>
#include <string>
void display();

using namespace std;

int main()
{
	const int NUM_OBJECTS = 3;
	Employee employee[NUM_OBJECTS] = {
		Employee("Jenny Jacobs", "JJ8990", "Accounting", "President", 15),
		Employee("Myron Smith", "MS7571"),
		Employee()
	};
	
	display();
	for (int i = 0; i < NUM_OBJECTS; i++)
	{
		cout << left << setw(14) << employee[i].getName();
		cout << left << setw(14) << employee[i].getID();
		cout << left << setw(14) << employee[i].getDEPT();
		cout << left << setw(14) << employee[i].getPOS();
		cout << left << setw(14) << employee[i].getYearWorked() << endl;
	}

	cout << endl;
	cout <<endl << "Below shows Object 2 after performed setDEPT(), setPOS(), setYearWorked()" << endl<<endl;
	employee[1].setDEPT("IT");
	employee[1].setPOS("Programmer");
	employee[1].setYearWorked(-1);
	display();
	for (int i = 0; i < NUM_OBJECTS; i++)
	{
		cout << left << setw(14) << employee[i].getName();
		cout << left << setw(14) << employee[i].getID();
		cout << left << setw(14) << employee[i].getDEPT();
		cout << left << setw(14) << employee[i].getPOS();
		cout << left << setw(14) << employee[i].getYearWorked() << endl;
	}
	cout << endl;
	cout <<endl << "Below shows Object 3 after performed setName(), setID(), setDEPT(), setPOS(), setYearWorked()" << endl<<endl;
	employee[2].setName("Chris Raines");
	employee[2].setID("CR6873");
	employee[2].setDEPT("Manufacturing");
	employee[2].setPOS("Engineer");
	employee[2].setYearWorked(30);
	display();
	for (int i = 0; i < NUM_OBJECTS; i++)
	{
		cout << left << setw(14) << employee[i].getName();
		cout << left << setw(14) << employee[i].getID();
		cout << left << setw(14) << employee[i].getDEPT();
		cout << left << setw(14) << employee[i].getPOS();
		cout << left << setw(14) << employee[i].getYearWorked() << endl;
	}

	system("pause");
	return 0;
}

void display()
{
	cout << "Name          ID Number     Department    Position      Years Worked" << endl;
	cout << "----          ---------     ----------    --------      ------------" << endl;
}


[code]


#include<iostream>
#include <string>

using namespace std;

class Employee
{
private:
	
	string name;
	string idnumber;
	string department;
	string position;
	int yearsWorked;
	string message = "Attempt";
public:
	Employee(string n, string id, string dept, string pos, int years)
	{
		name = n;
		idnumber = id;
		department = dept;
		position = pos;
		yearsWorked = years;
	}

	Employee(string n, string id)
	{
		name = n;
		idnumber = id;
		department = " ";
		position = " ";
		yearsWorked = 0;
	}

	Employee()
	{
		name = " ";
		idnumber = " ";
		department = " ";
		position = " ";
		yearsWorked = 0;
	}
	void setName(string n)
	{
		name = n;
	}

	void setID(string id)
	{
		idnumber = id;
	}

	void setDEPT(string dept)
	{
		department = dept;
	}

	void setPOS(string pos)
	{
		position = pos;
	}

	void setYearWorked(int years)
	{
		yearsWorked = years;
		if (yearsWorked < 0)
		{
			yearsWorked = 0;
			message;
		}
	}

	string getName() const
	{
		return name;
	}

	string getID() const
	{
		return idnumber;
	}

	string getDEPT() const
	{
		return department;
	}

	string getPOS() const
	{
		return position;
	}

	int getYearWorked() const
	{
		return yearsWorked;
	}
};
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