title: How to use zip4j to extract an zip file with password protection
body: <p>I am trying to unzip a zipfile with password protection. I know there is a java library named "zip4j" that could help me. But I am failing to open the zip4j website to see the tutorial.</p>
  
  <p>I had download zip4j library with another mirror but I don't know how to use it. Is there anyone that could paste example code for using zip4j unzip password protection zip file?</p>
  
  <p><a href="http://www.lingala.net" rel="noreferrer">zip4j website</a></p>
  
  <p>thanks so much!</p>