title: java.util.Arrays not working java 8
body: <p>I recently updated to using Java 8 on my computer for eclipse. I had previously been using Java 7.  At first the update seemed to work fine as I could compile and run a simple <code>hello world</code>-program.  However, as I began to import previous projects that I had been working on that used the class <code>java.util.Arrays</code>, I got an error like <code>Arrays could not be resolved</code>.  I have been having a similar problem with the <code>PriorityQueue</code> class saying that, </p>
  
  <blockquote>
    <p>The type <code>java.util.Comparator</code> cannot be resolved. It is indirectly referenced from required <code>.class</code> files.</p>
  </blockquote>