This brief article focuses on how to open ZIP file with password in Java. It covers the step-by-step algorithm and a running code snippet to extract password protected ZIP in Java. Moreover, you do not have to configure any file compression utility to work with this feature on your end.

Steps to Extract Password Protected ZIP in Java

1. Configure the IDE by setting up Aspose.ZIP for Java library
2. Specify the decryption password using the ArchiveLoadOptions class instance
3. Get the input ZIP archive with the object of the Archive class
4. Unzip the secured ZIP file

These steps explain all the information to open password protected ZIP file in Java. First of all, specify the file decryption password for extracting the archive. Secondly, proceed to load the source file and extract all the contents of the loaded archive to any file path.

Code to Unzip Password Protected ZIP File in Java

This code snippet demonstrates how to open password protected ZIP file in Java while passing the password string for decryption of the file. There are several other approaches that you can use to extract ZIP files. For instance, extract the ZIP archives with partially forgotten passwords or use a brute force attack to unlock the ZIP files.

This quick guide has discussed how to unzip password protected ZIP files in Java. Besides, if you want to learn ZIP file protection in Java, take a look at how to password protect a ZIP file in Java.