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Скачать или смотреть How to Serialize and Deserialize a JVM Object to a String in Java/Scala

  • vlogize
  • 2025-09-15
  • 0
How to Serialize and Deserialize a JVM Object to a String in Java/Scala
How can I serialize and deserialize a JVM object to a String?javascalaserialization
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Описание к видео How to Serialize and Deserialize a JVM Object to a String in Java/Scala

Learn how to properly `serialize` and `deserialize` JVM objects to Strings in Java and Scala using Base64 encoding for seamless data conversion.
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This video is based on the question https://stackoverflow.com/q/62644000/ asked by the user 'Greg' ( https://stackoverflow.com/u/675066/ ) and on the answer https://stackoverflow.com/a/62644074/ provided by the user 'ControlAltDel' ( https://stackoverflow.com/u/1291492/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How can I serialize and deserialize a JVM object to a String?

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
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Understanding Serialization and Deserialization in JVM

When working with Java or Scala, you might find yourself needing to convert objects into a format that can be easily stored or transmitted. This process is known as serialization, while the reverse operation is called deserialization. In this guide, we will explore how to serialize and deserialize JVM objects to a String, addressing common pitfalls and providing solutions to ensure your implementation works correctly.

The Problem at Hand

You’re trying to serialize a JVM object into a String, but you encounter a StreamCorruptedException during deserialization. This issue usually occurs due to incorrectly formatted data being processed. In your case, the serialization code you provided uses a byte stream, but the method baos.toString() can lead to issues because it does not produce a valid byte representation needed for deserialization.

Analyzing the Serialization Code

Here's the code snippet you initially tried:

[[See Video to Reveal this Text or Code Snippet]]

This method converts the ByteArrayOutputStream to a String directly, which is not a reliable approach for serialized objects. As a result, it can lead to problems when you attempt to deserialize the data.

Recommended Solution: Using Base64 Encoding

To resolve the problem, we need to incorporate Base64 encoding and decoding when transforming the serialized object; this adds a layer of safety and ensures that the data remains valid during conversion.

Updated Serialization Code

We'll use Base64 to encode the bytes before converting them to a String. Here's the corrected function:

[[See Video to Reveal this Text or Code Snippet]]

Updated Deserialization Code

You must also decode the Base64 string back into bytes before deserialization. Here’s how to adjust your deserialization function:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Following these modifications, you should be able to successfully serialize and deserialize JVM objects to and from a String without encountering the StreamCorruptedException error. The Base64 encoding ensures that your byte data is accurately represented as a String, allowing for safe transmission and storage.

By understanding and properly implementing serialization and deserialization, you enhance data interoperability and maintain robust applications in Java and Scala. If you have further questions or wish to explore more complex serialization scenarios, feel free to ask!

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