Notes

public class ComitionEmployee extends Object {

private final String firstName;
private final String lastName;
private final String socialSecurityNumber;
private double grossSales;
private double commissionRate;

public ComitionEmployee(String firstName,String lastName,String socialSecurityNumber, double grossSales,
double commissionRate)
{


if (grossSales < 0.0) {
throw new IllegalArgumentException(
"Gross sales must be >= 0.0");
}

if (commissionRate <= 0.0 || commissionRate >= 1.0) {
throw new IllegalArgumentException(
"Commission rate must be > 0.0 and < 1.0");
}

this.firstName = firstName;
this.lastName = lastName;
this.socialSecurityNumber = socialSecurityNumber;
this.grossSales = grossSales;
this.commissionRate = commissionRate;
}

public String getFirstName() {
return firstName;
}

public String getLastName() {
return lastName;
}
public String getSocialSecurityNumber()
{
return socialSecurityNumber;
}


public void setGrossSales(double grossSales)
{
if (grossSales < 0.0)
throw new IllegalArgumentException(
"Gross sales must be >= 0.0");

this.grossSales = grossSales;
}

public double getGrossSales()
{
return grossSales;
}


public void setCommissionRate(double commissionRate)
{
if (commissionRate <= 0.0 || commissionRate >= 1.0)
throw new IllegalArgumentException(
"Commission rate must be > 0.0 and < 1.0");

this.commissionRate = commissionRate;
}

public double getCommissionRate()
{
return commissionRate;
}
public double earnings()
{
return commissionRate * grossSales;
}
public String toString()
{
return String.format("%s: %s %s%n%s: %s%n%s: %.2f%n%s: %.2f",
"commission employee", firstName, lastName,
"social security number", socialSecurityNumber,
"gross sales", grossSales,
"commission rate", commissionRate);
}
}