title: ArrayList of Strings to one single string
body: <p>I have an array list of strings (each individual element in the array list is just a word with no white space) and I want to take each element and append each next word to the end of a string.</p>
  <p>So say the array list has</p>
  <pre><code>    element 0 = &quot;hello&quot;
      element 1 = &quot;world,&quot;
      element 2 = &quot;how&quot;
      element 3 = &quot;are&quot;
      element 4 = &quot;you?&quot;
  </code></pre>
  <p>I want to make a string called sentence that contains &quot;hello world, how are you?&quot;</p>