---
title: "How do I serialize an object to a file?"  
description: "How do I serialize an object to a file?"  
author: "Sumit Kesarwani"  
published: 2014-08-23  
updated: 2020-09-16  
canonical: https://www.mindstick.com/interview/1987/how-do-i-serialize-an-object-to-a-file  
category: "java"  
tags: ["java"]  
reading_time: 1 minute  

---

# How do I serialize an object to a file?

The class whose instances are to be serialized should implement an interface Serializable. Then you pass the instance to the ObjectOutputStream which is connected to a fileoutputstream. This will save the object to a file.

## Answers

### Answer by Sumit Kesarwani

The class whose instances are to be serialized should implement an interface Serializable. Then you pass the instance to the ObjectOutputStream which is connected to a fileoutputstream. This will save the object to a file.


---

Original Source: https://www.mindstick.com/interview/1987/how-do-i-serialize-an-object-to-a-file

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