title: How to declare the List?
body: <p>I save all the application character in <code>R.string</code>.
  Now I want to save the R.string character in a List.</p>
  
  <p>How to declare the List?</p>
  
  <p>I use </p>
  
  <pre><code>List&lt;String&gt; list = new ArrayList&lt;String&gt;();
  list.add(R.string.helloworld);
  </code></pre>
  
  <p>And</p>
  
  <pre><code>List&lt;integer&gt; list = new ArrayList&lt;integer&gt;();
  list.add(R.string.helloworld);
  </code></pre>
  
  <p>But I can not add it.</p>
  
  <p>How to do this?</p>