title: Convert a List of Strings into a single String using ArrayUtils in java
body: <p>I have below code</p>
  
  <pre><code>List&lt;String&gt; test = new ArrayList&lt;String&gt;();
  test.add("one");
  test.add("two");
  test.add("three");
  </code></pre>
  
  <p>Need output as <code>"one,two,three"</code> in a single string using Array Utils. Need a single line solution.</p>