创建一个hashset对象

要创建一个HashSet对象，可以使用以下代码：
HashSet<Object> set = new HashSet<>();
这将创建一个名为"set"的HashSet对象实例，底层使用HashMap来实现。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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