Hocam aynısını yaptım ancak ben de yine çalışmadı, herhalde gözden kaçırdığım bir şey var, nerede hata yapıyorum bir bakabilir misiniz?
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<head>
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<title>Document</title>
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<link rel="stylesheet" href="css/bootstrap-dropdownhover.css">
<link rel="stylesheet" href="css/animate.css">
</head>
<body>
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown" data-hover="dropdown">
Dropdown <span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="dropdown">
<a href="#">One more dropdown</a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="dropdown">
<a href="#">One more dropdown</a>
<ul class="dropdown-menu">
...
</ul>
</li>
<li><a href="#">Something else here</a></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
<li><a href="#">Something else here</a></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
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</body>
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