title: Calculate days between today and string of format yyyy/mm/dd in Java
body: <p>I have a String representing a date with format <code>yyyy/mm/dd</code> and want to calculate the number of days between that day and today. How is this done?</p>
  
  <p>So It may be something like</p>
  
  <pre><code>String aDate = "1934/05/24"
  </code></pre>