Inline Radio Buttons gives users ability to place all the radio buttons on the same line by using the .radio-inline class .
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Form control: inline radio</h2>
<form role="form">
<label class="radio-inline">
<input type="radio" value="">Radio Button 1
</label>
<label class="radio-inline">
<input type="radio" value="">Radio Button 2
</label>
<label class="radio-inline">
<input type="radio" value="">Radio Button 3
</label>
<label class="radio-inline">
<input type="radio" value="">Radio Button 4
</label>
</form>
</div>
</body>
</html>
Form control: inline radio