Stuff

  private static void treeInsert(char letter, String code)  {    TreeNode current = decodeTree;    for (int i = 0; i < code.length(); i ++)    {        if (code.substring (i, i+1) == ".")             current = current.getLeft();            if( current == null ) { current.setLeft(new TreeNode(new Character(' '), null, null)); }        if (code.substring (i, i+1)== "-")             current = current.getRight();            if( current == null ) { current.setRight(new TreeNode(new Character(' '), null, null)); }    }  }