Java Reference
In-Depth Information
8
9
// six-argument constructor
10
public
BasePlusCommissionEmployee(String firstName, String lastName,
11
String socialSecurityNumber,
double
grossSales,
12
double
commissionRate,
double
baseSalary)
13
{
14
super
(firstName, lastName, socialSecurityNumber,
grossSales, commissionRate);
15
16
17
// if baseSalary is invalid throw exception
18
if
(baseSalary <
0.0
)
19
throw new
IllegalArgumentException(
20
"Base salary must be >= 0.0"
);
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22
this
.baseSalary = baseSalary;
23
}
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// set base salary
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public
void
setBaseSalary(
double
baseSalary)
27
{
28
if
(baseSalary <
0.0
)
29
throw new
IllegalArgumentException(
30
"Base salary must be >= 0.0"
);
31
32
this
.baseSalary = baseSalary;
33
}
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// return base salary
36
public
double
getBaseSalary()
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{
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return
baseSalary;
39
}
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// calculate earnings
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@Override
// indicates that this method overrides a superclass method
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public
double
earnings()
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{
45
return
baseSalary + (commissionRate * grossSales);
46
}
47
48
// return String representation of BasePlusCommissionEmployee
49
@Override
50
public
String toString()
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{
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return
String.format(
"%s: %s %s%n%s: %s%n%s: %.2f%n%s: %.2f%n%s: %.2f"
,
"base-salaried commission employee"
, firstName, lastName,
"social security number"
, socialSecurityNumber,
"gross sales"
, grossSales,
"commission rate"
, commissionRate,
"base salary"
, baseSalary);
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54
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}
59
}
// end class BasePlusCommissionEmployee
Fig. 9.9
| BasePlusCommissionEmployee
inherits
protected
instance variables from
CommissionEmployee
. (Part 2 of 2.)
