title: How to remove common values from two array lists
body: <p>How can we remove common values from two ArrayLists?</p>
  
  <p>Let’s consider I have two Arraylist as shown below:</p>
  
  <pre><code>ArrayList1 = [1,2,3,4]
  ArrayList1 = [2,3,4,6,7]
  </code></pre>
  
  <p>I would like to have result as:</p>
  
  <pre><code>ArrayListFinal = [1,6,7]
  </code></pre>
  
  <p>How can I do it?</p>