Java Reference
In-Depth Information
23
this
.grossSales = grossSales;
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this
.commissionRate = commissionRate;
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}
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// set gross sales amount
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public void
setGrossSales(
double
grossSales)
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{
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if
(grossSales <
0.0
)
// validate
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throw new
IllegalArgumentException(
"Gross sales must be >= 0.0"
);
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this
.grossSales = grossSales;
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}
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// return gross sales amount
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public double
getGrossSales()
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{
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return
grossSales;
40
}
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// set commission rate
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public void
setCommissionRate(
double
commissionRate)
44
{
45
if
(commissionRate <=
0.0
|| commissionRate >=
1.0
)
// validate
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throw new
IllegalArgumentException(
47
"Commission rate must be > 0.0 and < 1.0")
;
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this
.commissionRate = commissionRate;
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}
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// return commission rate
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public double
getCommissionRate()
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{
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return
commissionRate;
56
}
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// calculate earnings; override abstract method earnings in Employee
@Override
public double
earnings()
{
return
getCommissionRate() * getGrossSales();
}
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// return String representation of CommissionEmployee object
@Override
public
String toString()
{
return
String.format(
"%s: %s%n%s: $%,.2f; %s: %.2f"
,
"commission employee"
,
super
.toString(),
"gross sales"
, getGrossSales(),
"commission rate"
, getCommissionRate());
}
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}
// end class CommissionEmployee
Fig. 10.7
|
CommissionEmployee
class extends
Employee
. (Part 2 of 2.)
