// The MIT License (MIT)

//

// Copyright (c) 2017 Robert C. Seacord

//

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

package ser09j;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.ObjectOutputStream;

import java.io.Serializable;

public class Singleton implements Serializable {

public static final Singleton INSTANCE = new Singleton();

private int value;

private Singleton() { }

static void serialize(Object o) throws IOException {

try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("tempdata.ser"))) {

oos.writeObject(o);

}

}

public int getValue() {

return this.value;

}

public void setValue(int value) {

this.value = value;

}

public static void main(String[] args) throws IOException {

Singleton.INSTANCE.setValue(42);

System.out.println("Singleton.INSTANCE = " + Singleton.INSTANCE.getValue());

serialize(Singleton.INSTANCE);

}

}