Java Reference
In-Depth Information
SalariedEmployee otherSalariedEmployee =
(SalariedEmployee)otherObject;
return
(
super
.equals(otherSalariedEmployee)
&& (salary == otherSalariedEmployee.salary));
}
}
21. A version of the
Date
class with this definition of
equals
is in the subdirectory
improvedEquals
of the
ch07
directory on the accompanying website.
extra code
on website
public boolean
equals(Object otherObject)
{
if
(otherObject ==
null
)
return false;
else if
(getClass() != otherObject.getClass())
return false
;
else
{
Date otherDate =
(Date)otherObject;
return
( month.equals(otherDate.month)
&& (day == otherDate.day)
&& (year == otherDate.year) );
}
}
22.
Not the same class
.
23. The following is included in the definition of
EnhancedStringTokenizer
on the
accompanying website .
extra code
on website
public
Object nextElement()
{
String token =
super
.nextToken();
a[count] = token;
count++;
return
(Object)token;
}
Programming Projects
Visit
www.myprogramminglab.com
to complete select exercises online and get instant
feedback.
1. Define a class named
Payment
that contains an instance variable of type
double
that stores the amount of the payment and appropriate accessor and mutator
methods. Also create a method named
paymentDetails
that outputs an English
sentence to describe the amount of the payment.
