import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
public class MainClass {
public static void main(String[] args) {
Collar c = new Collar(3);
Dog d = new Dog(c, 5);
System.out.println("before: collar size is "
+ d.getCollar().getCollarSize());
try {
FileOutputStream fs = new FileOutputStream("testSer.ser");
ObjectOutputStream os = new ObjectOutputStream(fs);
os.writeObject(d);
os.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
FileInputStream fis = new FileInputStream("testSer.ser");
ObjectInputStream ois = new ObjectInputStream(fis);
d = (Dog) ois.readObject();
ois.close();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("after: collar size is "
+ d.getCollar().getCollarSize());
}
}
class Dog implements Serializable {
private Collar theCollar;
private int dogSize;
public Dog(Collar collar, int size) {
theCollar = collar;
dogSize = size;
}
public Collar getCollar() {
return theCollar;
}
}
class Collar implements Serializable {
private int collarSize;
public Collar(int size) {
collarSize = size;
}
public int getCollarSize() {
return collarSize;
}
}
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