title: Can Java package name be a keyword?
body: <p>When I try to create a package <code>implements</code> using Intellij (community edition) I got message <code>Not a valid package name</code>.  Is this because of the keyword being used?</p>
  
  <p><img src="https://i.stack.imgur.com/ObhAz.png" alt="enter image description here"> </p>