House.java Source code

Introduction

Here is the source code for House.java

Source

// : c12:MyWorld.java
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

class House implements Serializable {
}

class Animal implements Serializable {
    private String name;

    private House preferredHouse;

    Animal(String nm, House h) {
        name = nm;
        preferredHouse = h;
    }

    public String toString() {
        return name + "[" + super.toString() + "], " + preferredHouse + "\n";
    }
}

public class MyWorld {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        House house = new House();
        List animals = new ArrayList();
        animals.add(new Animal("Bosco the dog", house));
        animals.add(new Animal("Ralph the hamster", house));
        animals.add(new Animal("Fronk the cat", house));
        System.out.println("animals: " + animals);
        ByteArrayOutputStream buf1 = new ByteArrayOutputStream();
        ObjectOutputStream o1 = new ObjectOutputStream(buf1);
        o1.writeObject(animals);
        o1.writeObject(animals); // Write a 2nd set
        // Write to a different stream:
        ByteArrayOutputStream buf2 = new ByteArrayOutputStream();
        ObjectOutputStream o2 = new ObjectOutputStream(buf2);
        o2.writeObject(animals);
        // Now get them back:
        ObjectInputStream in1 = new ObjectInputStream(new ByteArrayInputStream(buf1.toByteArray()));
        ObjectInputStream in2 = new ObjectInputStream(new ByteArrayInputStream(buf2.toByteArray()));
        List animals1 = (List) in1.readObject(), animals2 = (List) in1.readObject(),
                animals3 = (List) in2.readObject();
        System.out.println("animals1: " + animals1);
        System.out.println("animals2: " + animals2);
        System.out.println("animals3: " + animals3);
    }
} ///:~