title: Can't add chars to Character ArrayList
body: <p>I'm having issues understanding ArrayList in Java. I tried to declare a Character ArrayList and add a char at 0, but it returned error at list.add(0, "B") line.</p>
  
  <pre><code>public class ArrListTest {
  public static void main(String[] args) {
      ArrayList&lt;Character&gt; list;
      list.add(0, "B");
   }
  }
  </code></pre>
  
  <p>Also I'm having issues reversing a string. Is there a way to reverse a string without using a loop?</p>