The following code shows how to create list group inside well.
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc2/css/bootstrap.min.css">
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc2/js/bootstrap.min.js"></script>
</head><!--from ww w .j a v a 2 s. c om-->
<body>
<div class="well">
<ul class="list-group">
<li class="list-group-item"><a href="#">Link 1</a></li>
<li class="list-group-item"><a href="#">Link 2</a></li>
</ul>
</div>
</body>
</html>