— Scott McNealy, Sun Microsystems Chairman, President and ceo

Write the three serialized 
character objects to a fi le
Create a fi le and write three serialized 
character objects. The fi le won’t make 
sense if you try to read it as text:
 ̈ÌsrGameCharacter 
̈%gê8MÛIpowerLjava/lang/
String;[weaponst[Ljava/lang/
String;xp2tlfur[Ljava.lang.String;≠“VÁ
È{Gxptbowtswordtdustsq~»tTrolluq~tb
are handstbig axsq~xtMagicianuq~tspe
llstinvisibility
1
power: 200
type: Troll
weapons: bare
hands, big ax
power: 120
type: Magician
weapons: spells, 
invisibility
object
object

---

saving 
objects
432
 
chapter 14
Here are the steps for serializing (saving) an object. Don’t bother 
memorizing all this; we’ll go into more detail later in this chapter.
Writing a serialized object to a file
FileOutputStream fileStream = new FileOutputStream(“MyGame.ser”);
Make a FileOutputStream object. FileOutputStream 
knows how to connect to (and create) a file.
1
Make a FileOutputStream
os.writeObject(characterOne);
os.writeObject(characterTwo);
os.writeObject(characterThree);
3
Write the object
os.close();
4
Close the ObjectOutputStream
serializes the objects referenced by character-
One, characterTwo, and characterThree, and 
writes them to the file “MyGame.ser”.
Closing the stream at the top closes the ones 
underneath, so the FileOutputStream (and the 
file) will close automatically.
If the file “MyGame.ser” doesn’t 
exist, it will be created 
automatically.
ObjectOutputStream os = new ObjectOutputStream(fileStream);