title: Java - Add an element between two elements in arraylist
body: <p>i want to add an element between two other elements in an arraylist
  like:</p>
  
  <pre><code>Element 1
  Element 2
  Element 3
  </code></pre>
  
  <p>Adding an element:</p>
  
  <pre><code>Element 1
  Element 4 &lt;---- Adding element 4 between 1 and 2.
  Element 2
  Element 3
  </code></pre>
  
  <p>Is this possible?</p>