How to create a zip file in Java

In this tutorial, we show how to create a zip file from multiple files in Java.

1- ByteArrayOutputStream & ZipOutputStream

Using ByteArrayOutputStream and ZipOutputStream classes provided by the JDK, you can generate a zip file out of multiple files.

The following utility method accepts a list of File objects and generates a zip file as a byte array:

That’s it.

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Hussein Terek

Founder of, I have a passion in software engineering and everything related to java environment.

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