title: Adding new libraries to java
body: <p>I am trying to use a feature from the <a href="http://commons.apache.org/" rel="nofollow">Apache Commons</a> called StringUtils. However this requires you download the libary and add it so I can use the code <code>import org.apache.commons.lang3.StringUtils;</code>. My problem is I am unsure of where to add it to so that I may compile my program in command prompt. I am also unaware of what file I should to add into the required folder.</p>
  
  <p>Any help would be greatly appreciated.</p>