Java Reference
In-Depth Information
Display 10.18
A Serializable Class
1
import
java.io.Serializable;
2
public
class
SomeClass
implements
Serializable
3{
4
private
int
number;
5
private
char
letter;
6
public
SomeClass()
7
{
8
number = 0;
9
letter = 'A';
10
}
11
public
SomeClass(
int
theNumber,
char
theLetter)
12
{
13
number = theNumber;
14
letter = theLetter;
15
}
16
public
String toString()
17
{
18
return
"Number = " + number
19
+ " Letter = " + letter;
20
}
21
}
Display 10.19
Binary File I/O of Objects
(part 1 of 3)
1
import
java.io.ObjectOutputStream;
2
import
java.io.FileOutputStream;
3
import
java.io.ObjectInputStream;
4
import
java.io.FileInputStream;
5
import
java.io.IOException;
6
import
java.io.FileNotFoundException;
7
/**
8
Demonstrates binary file I/O of serializable class objects.
9
*/
10
public
class
ObjectIODemo
11
{
12
public
static
void
main(String[] args)
13
{
(continued)
