Java Reference
In-Depth Information
Display 7.2
The Base Class
Employee
(part 1 of 2)
1
/**
2
Class Invariant: All objects have a name string and hire date.
3
A name string of "No name" indicates no real name specified yet.
4
A hire date of January 1, 1000 indicates no real hire date specified yet.
5
*/
6
public class
Employee
7{
8
private
String name;
The class
Date
is defined in
Display 4.13.
9
private
Date hireDate;
10
public
Employee()
11
{
12
name = "No name";
13
hireDate =
new
Date("January", 1, 1000);
//Just a placeholder.
14
}
15
/**
16
Precondition: Neither theName nor theDate is null.
17
*/
18
public
Employee(String theName, Date theDate)
19
{
20
if
(theName ==
null
|| theDate ==
null
)
21
{
22
System.out.println("Fatal Error creating employee.");
23
System.exit(0);
24
}
25
name = theName;
26
hireDate =
new
Date(theDate);
27
}
28
public
Employee(Employee originalObject)
29
{
30
name = originalObject.name;
31
hireDate =
new
Date(originalObject.hireDate);
32
}
33
public
String getName()
34
{
35
return
name;
36
}
37
public
Date getHireDate()
38
{
39
return
new
Date(hireDate);
40
}
