title: how do i import multimap for java?
body: <p>This is kind of stupid but how do I install <a href="http://commons.apache.org/collections/api-3.1/org/apache/commons/collections/MultiMap.html" rel="nofollow">MultiMap</a>?</p>
  
  <p>I need a way to store multiple values to keys and my map implementation isn't working</p>