title: How to convert a Map to a List in java
body: <p>I have a map in the following format that is populated at runtime. </p>
  
  <pre><code>  Map&lt;String, List&lt;VerificationDetail&gt;&gt;
  </code></pre>
  
  <p>I want to convert this to a List so that all values in Map are populated in the list. I tried with few approached but unable to populate the List with all the details available in the map.</p>