uTools-Manuals/docs/java/javax/swing/DefaultComboBoxModel.html

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     javax.swing 
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<h2 class="title" title="Class DefaultComboBoxModel">Class DefaultComboBoxModel&lt;E&gt;</h2>
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<ul class="inheritance">
<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../javax/swing/AbstractListModel.html" title="class in javax.swing">javax.swing.AbstractListModel</a>&lt;E&gt;</li>
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<ul class="inheritance">
<li>javax.swing.DefaultComboBoxModel&lt;E&gt;</li>
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<dt>
<span class="paramLabel">参数类型</span>
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<code>E</code> - 这个模型的元素的类型 
       </dd>
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<dl>
<dt>
         All Implemented Interfaces: 
       </dt>
<dd>
<span><a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> ， <a href="../../javax/swing/ComboBoxModel.html" title="javax.swing中的接口">ComboBoxModel</a> &lt;E&gt;， <a href="../../javax/swing/ListModel.html" title="javax.swing中的接口">ListModel</a> &lt;E&gt;， <a href="../../javax/swing/MutableComboBoxModel.html" title="javax.swing中的接口">MutableComboBoxModel</a> &lt;E&gt;</span>
</dd>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">DefaultComboBoxModel&lt;E&gt;</span>
extends <a href="../../javax/swing/AbstractListModel.html" title="class in javax.swing">AbstractListModel</a>&lt;E&gt;
implements <a href="../../javax/swing/MutableComboBoxModel.html" title="interface in javax.swing">MutableComboBoxModel</a>&lt;E&gt;, <a href="../../java/io/Serializable.html" title="interface in java.io">Serializable</a></pre>
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        组合框的默认模型。 
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<!-- --> </a> <h3>Fields inherited from class javax.swing.<a href="../../javax/swing/AbstractListModel.html" title="class in javax.swing">AbstractListModel</a></h3> <code><a href="../../javax/swing/AbstractListModel.html#listenerList">listenerList</a></code></li>
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<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
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<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#DefaultComboBoxModel--">DefaultComboBoxModel</a></span>()</code>
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              构造一个空的DefaultComboBoxModel对象。 
            </div> </td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#DefaultComboBoxModel-E:A-">DefaultComboBoxModel</a></span>(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>[] items)</code>
<div class="block">
              构造一个使用对象数组初始化的DefaultComboBoxModel对象。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#DefaultComboBoxModel-java.util.Vector-">DefaultComboBoxModel</a></span>(<a href="../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt; v)</code>
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              构造一个使用向量初始化的DefaultComboBoxModel对象。 
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<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#addElement-E-">addElement</a></span>(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a> anObject)</code>
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              在模型的末尾添加一个项目。 
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<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#getElementAt-int-">getElementAt</a></span>(int index)</code>
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              返回指定索引处的值。 
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#getIndexOf-java.lang.Object-">getIndexOf</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</code>
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              返回列表中指定对象的索引位置。 
            </div> </td>
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<td class="colFirst"><code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#getSelectedItem--">getSelectedItem</a></span>()</code>
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              返回所选项目 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#getSize--">getSize</a></span>()</code>
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              返回列表的长度。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#insertElementAt-E-int-">insertElementAt</a></span>(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a> anObject, int index)</code>
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              在特定索引中添加项目。 
            </div> </td>
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<tr class="altColor" id="i6">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#removeAllElements--">removeAllElements</a></span>()</code>
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              清空清单。 
            </div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#removeElement-java.lang.Object-">removeElement</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</code>
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              从模型中删除一个项目。 
            </div> </td>
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<tr class="altColor" id="i8">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#removeElementAt-int-">removeElementAt</a></span>(int index)</code>
<div class="block">
              删除特定索引处的项目。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/DefaultComboBoxModel.html#setSelectedItem-java.lang.Object-">setSelectedItem</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</code>
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              设置所选项目的值。 
            </div> </td>
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<li class="blockList"> <h4>DefaultComboBoxModel</h4> <pre>public DefaultComboBoxModel()</pre>
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            构造一个空的DefaultComboBoxModel对象。 
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<li class="blockList"> <h4>DefaultComboBoxModel</h4> <pre>public DefaultComboBoxModel(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>[] items)</pre>
<div class="block">
            构造一个使用对象数组初始化的DefaultComboBoxModel对象。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>items</code> - 一个Object对象数组 
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<li class="blockList"> <h4>DefaultComboBoxModel</h4> <pre>public DefaultComboBoxModel(<a href="../../java/util/Vector.html" title="class in java.util">Vector</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt; v)</pre>
<div class="block">
            构造一个使用向量初始化的DefaultComboBoxModel对象。 
          </div>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>v</code> - 一个矢量对象... 
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<li class="blockList"> <h4>setSelectedItem</h4> <pre>public void setSelectedItem(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</pre>
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<span>设置所选项目的值。</span>
<span>所选项可以为空。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/ComboBoxModel.html#setSelectedItem-java.lang.Object-">setSelectedItem</a></code>在界面 
            <code><a href="../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>anObject</code> - 组合框值或无选择的空值。 
           </dd>
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<li class="blockList"> <h4>getSelectedItem</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getSelectedItem()</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/ComboBoxModel.html#getSelectedItem--">ComboBoxModel</a></code>复制</span>
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<div class="block">
            返回所选项目 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/ComboBoxModel.html#getSelectedItem--">getSelectedItem</a></code>在界面 
            <code><a href="../../javax/swing/ComboBoxModel.html" title="interface in javax.swing">ComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             所选项目或 
            <code>null</code>如果没有选择 
           </dd>
</dl> </li>
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<li class="blockList"> <h4>getSize</h4> <pre>public int getSize()</pre>
<div class="block">
<span class="descfrmTypeLabel">说明从界面复制： <code><a href="../../javax/swing/ListModel.html#getSize--">ListModel</a></code></span>
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            返回列表的长度。 
          </div>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/ListModel.html#getSize--">getSize</a></code>在界面 
            <code><a href="../../javax/swing/ListModel.html" title="interface in javax.swing">ListModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             列表的长度 
           </dd>
</dl> </li>
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<li class="blockList"> <h4>getElementAt</h4> <pre>public <a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a> getElementAt(int index)</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/ListModel.html#getElementAt-int-">ListModel</a></code>复制</span>
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            返回指定索引处的值。 
          </div>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/ListModel.html#getElementAt-int-">getElementAt</a></code>在界面 
            <code><a href="../../javax/swing/ListModel.html" title="interface in javax.swing">ListModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>index</code> - 请求的索引 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             价值在 
            <code>index</code>
</dd>
</dl> </li>
</ul> <a name="getIndexOf-java.lang.Object-">
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<li class="blockList"> <h4>getIndexOf</h4> <pre>public int getIndexOf(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</pre>
<div class="block">
            返回列表中指定对象的索引位置。 
          </div>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>anObject</code> - 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个表示索引位置的int，其中0是第一个位置 
           </dd>
</dl> </li>
</ul> <a name="addElement-java.lang.Object-">
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<li class="blockList"> <h4>addElement</h4> <pre>public void addElement(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a> anObject)</pre>
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<span class="descfrmTypeLabel">从接口复制： <code><a href="../../javax/swing/MutableComboBoxModel.html#addElement-E-">MutableComboBoxModel</a></code></span>
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<div class="block">
<span>在模型的末尾添加一个项目。</span>
<span>该方法的实现应通知所有已注册的<code>ListDataListener</code>该项目已被添加。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MutableComboBoxModel.html#addElement-E-">addElement</a></code>在界面 
            <code><a href="../../javax/swing/MutableComboBoxModel.html" title="interface in javax.swing">MutableComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>anObject</code> - 要添加的项目 
           </dd>
</dl> </li>
</ul> <a name="insertElementAt-java.lang.Object-int-">
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<li class="blockList"> <h4>insertElementAt</h4> <pre>public void insertElementAt(<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a> anObject,
                            int index)</pre>
<div class="block">
<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/MutableComboBoxModel.html#insertElementAt-E-int-">MutableComboBoxModel</a></code>复制</span>
</div>
<div class="block">
<span>在特定索引中添加项目。</span>
<span>该方法的实现应通知所有已注册的<code>ListDataListener</code>该项目已被添加。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MutableComboBoxModel.html#insertElementAt-E-int-">insertElementAt</a></code>在界面 
            <code><a href="../../javax/swing/MutableComboBoxModel.html" title="interface in javax.swing">MutableComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>anObject</code> - 要添加的项目 
           </dd>
<dd>
<code>index</code> - 添加对象的位置 
           </dd>
</dl> </li>
</ul> <a name="removeElementAt-int-">
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<li class="blockList"> <h4>removeElementAt</h4> <pre>public void removeElementAt(int index)</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/MutableComboBoxModel.html#removeElementAt-int-">MutableComboBoxModel</a></code>复制</span>
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<div class="block">
<span>删除特定索引处的项目。</span>
<span>该方法的实现应通知所有已注册的<code>ListDataListener</code>该项目已被删除。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MutableComboBoxModel.html#removeElementAt-int-">removeElementAt</a></code>中的 
            <code><a href="../../javax/swing/MutableComboBoxModel.html" title="interface in javax.swing">MutableComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>index</code> - 要删除的项目的位置 
           </dd>
</dl> </li>
</ul> <a name="removeElement-java.lang.Object-">
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<li class="blockList"> <h4>removeElement</h4> <pre>public void removeElement(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> anObject)</pre>
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<span class="descfrmTypeLabel">描述从接口： <code><a href="../../javax/swing/MutableComboBoxModel.html#removeElement-java.lang.Object-">MutableComboBoxModel</a></code>复制</span>
</div>
<div class="block">
<span>从模型中删除一个项目。</span>
<span>该方法的实施应通知所有已注册的<code>ListDataListener</code>该项目已被删除。</span>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
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<dd>
<code><a href="../../javax/swing/MutableComboBoxModel.html#removeElement-java.lang.Object-">removeElement</a></code>在界面 
            <code><a href="../../javax/swing/MutableComboBoxModel.html" title="interface in javax.swing">MutableComboBoxModel</a>&lt;<a href="../../javax/swing/DefaultComboBoxModel.html" title="type parameter in DefaultComboBoxModel">E</a>&gt;</code>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>anObject</code> - 要删除的 
            <code>Object</code>
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<li class="blockList"> <h4>removeAllElements</h4> <pre>public void removeAllElements()</pre>
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            清空清单。 
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