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<article class="content wrap" id="_content" data-uid="Lucene.Net.Support.HashMap`2">
<h1 id="Lucene_Net_Support_HashMap_2" data-uid="Lucene.Net.Support.HashMap`2" class="text-break">Class HashMap&lt;TKey, TValue&gt;
</h1>
<div class="markdown level0 summary"><p>A C# emulation of the <a href="http://download.oracle.com/javase/1,5.0/docs/api/java/util/HashMap.html">Java Hashmap</a>
<p>
A <span class="xref">System.Collections.Generic.Dictionary`2</span> is a close equivalent to the Java
Hashmap. One difference java implementation of the class is that
the Hashmap supports both null keys and values, where the C# Dictionary
only supports null values not keys. Also, <code>V Get(TKey)</code>
method in Java returns null if the key doesn&apos;t exist, instead of throwing
an exception. In .NET, using <a class="xref" href="Lucene.Net.Support.HashMap-2.html#Lucene_Net_Support_HashMap_2_TryGetValue__0__1__">TryGetValue(TKey, out TValue)</a>
will provide similar behavior as <code>V Get(TKey)</code> This class is slower than using a
<span class="xref">System.Collections.Generic.Dictionary`2</span>, because of extra checks that have to be
done on each access, to check for null.
</p>
Consider also implementing IDictionary, IEnumerable, and ICollection
like <span class="xref">System.Collections.Generic.Dictionary`2</span> does, so HashMap can be
used in substituted in place for the same interfaces it implements.</p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><span class="xref">HashMap&lt;TKey, TValue&gt;</span></div>
<div class="level2"><a class="xref" href="Lucene.Net.Support.IdentityHashMap-2.html">IdentityHashMap&lt;TKey, TValue&gt;</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.Support.LinkedHashMap-2.html">LinkedHashMap</a>&lt;TKey, TValue&gt;</div>
</div>
<div classs="implements">
<h5>Implements</h5>
<div><span class="xref">System.Collections.Generic.IDictionary</span>&lt;TKey, TValue&gt;</div>
<div><span class="xref">System.Collections.Generic.ICollection</span>&lt;<span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</div>
<div><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</div>
<div><span class="xref">System.Collections.IEnumerable</span></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<span class="xref">System.Object.Equals(System.Object, System.Object)</span>
</div>
<div>
<span class="xref">System.Object.GetType()</span>
</div>
<div>
<span class="xref">System.Object.MemberwiseClone()</span>
</div>
<div>
<span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
</div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="../Lucene.Net.Benchmarks/Lucene.Net.Support.html">Lucene.Net.Support</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.dll</h6>
<h5 id="Lucene_Net_Support_HashMap_2_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[Serializable]
public class HashMap&lt;TKey, TValue&gt; : IDictionary&lt;TKey, TValue&gt;, ICollection&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;, IEnumerable</code></pre>
</div>
<h5 class="typeParameters">Type Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="parametername">TKey</span></td>
<td><p>The type of keys in the dictionary</p>
</td>
</tr>
<tr>
<td><span class="parametername">TValue</span></td>
<td><p>The type of values in the dictionary</p>
</td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Support_HashMap_2_remarks"><strong>Remarks</strong></h5>
<div class="markdown level0 remarks"><p><h2>Unordered Dictionaries</h2>
<ul><li><span class="xref">System.Collections.Generic.Dictionary`2</span> - use when order is not important and all keys are non-null.</li><li><a class="xref" href="Lucene.Net.Support.HashMap-2.html">HashMap&lt;TKey, TValue&gt;</a> - use when order is not important and support for a null key is required.</li></ul>
<h2>Ordered Dictionaries</h2>
<ul><li><a class="xref" href="Lucene.Net.Support.LinkedHashMap-2.html">LinkedHashMap&lt;TKey, TValue&gt;</a> - use when you need to preserve entry insertion order. Keys are nullable.</li><li><span class="xref">System.Collections.Generic.SortedDictionary`2</span> - use when you need natural sort order. Null keys are not supported.</li><li><a class="xref" href="Lucene.Net.Support.TreeDictionary-2.html">TreeDictionary&lt;TKey, TValue&gt;</a> - use when you need natural sort order. Keys are nullable.</li><li><a class="xref" href="Lucene.Net.Support.LurchTable-2.html">LurchTable&lt;TKey, TValue&gt;</a> - use when you need to sort by most recent access or most recent update. Works well for LRU caching.</li></ul></p>
</div>
<h3 id="constructors">Constructors
</h3>
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<h4 id="Lucene_Net_Support_HashMap_2__ctor" data-uid="Lucene.Net.Support.HashMap`2.#ctor">HashMap()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public HashMap()</code></pre>
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<h4 id="Lucene_Net_Support_HashMap_2__ctor_System_Collections_Generic_IEnumerable_System_Collections_Generic_KeyValuePair__0__1___" data-uid="Lucene.Net.Support.HashMap`2.#ctor(System.Collections.Generic.IEnumerable{System.Collections.Generic.KeyValuePair{`0,`1}})">HashMap(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public HashMap(IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; other)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerable</span>&lt;<span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td><span class="parametername">other</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2__ctor_System_Collections_Generic_IEqualityComparer__0__" data-uid="Lucene.Net.Support.HashMap`2.#ctor(System.Collections.Generic.IEqualityComparer{`0})">HashMap(IEqualityComparer&lt;TKey&gt;)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public HashMap(IEqualityComparer&lt;TKey&gt; comparer)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IEqualityComparer</span>&lt;TKey&gt;</td>
<td><span class="parametername">comparer</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2__ctor_System_Int32_" data-uid="Lucene.Net.Support.HashMap`2.#ctor(System.Int32)">HashMap(Int32)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public HashMap(int initialCapacity)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">initialCapacity</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2__ctor_System_Int32_System_Collections_Generic_IEqualityComparer__0__" data-uid="Lucene.Net.Support.HashMap`2.#ctor(System.Int32,System.Collections.Generic.IEqualityComparer{`0})">HashMap(Int32, IEqualityComparer&lt;TKey&gt;)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public HashMap(int initialCapacity, IEqualityComparer&lt;TKey&gt; comparer)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">initialCapacity</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Collections.Generic.IEqualityComparer</span>&lt;TKey&gt;</td>
<td><span class="parametername">comparer</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
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<h4 id="Lucene_Net_Support_HashMap_2_Count" data-uid="Lucene.Net.Support.HashMap`2.Count">Count</h4>
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<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual int Count { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_IsReadOnly" data-uid="Lucene.Net.Support.HashMap`2.IsReadOnly">IsReadOnly</h4>
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<h5 class="decalaration">Declaration</h5>
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<pre><code class="lang-csharp hljs">public virtual bool IsReadOnly { get; }</code></pre>
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<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_Item__0_" data-uid="Lucene.Net.Support.HashMap`2.Item(`0)">Item[TKey]</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual TValue this[TKey key] { get; set; }</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2_Keys" data-uid="Lucene.Net.Support.HashMap`2.Keys">Keys</h4>
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<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual ICollection&lt;TKey&gt; Keys { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.ICollection</span>&lt;TKey&gt;</td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_Values" data-uid="Lucene.Net.Support.HashMap`2.Values">Values</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual ICollection&lt;TValue&gt; Values { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.ICollection</span>&lt;TValue&gt;</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="methods">Methods
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<h4 id="Lucene_Net_Support_HashMap_2_Add__0__1_" data-uid="Lucene.Net.Support.HashMap`2.Add(`0,`1)">Add(TKey, TValue)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void Add(TKey key, TValue value)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">value</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_Add_System_Collections_Generic_KeyValuePair__0__1__" data-uid="Lucene.Net.Support.HashMap`2.Add(System.Collections.Generic.KeyValuePair{`0,`1})">Add(KeyValuePair&lt;TKey, TValue&gt;)</h4>
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<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void Add(KeyValuePair&lt;TKey, TValue&gt; item)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">item</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2_AddIfAbsent__0__1_" data-uid="Lucene.Net.Support.HashMap`2.AddIfAbsent(`0,`1)">AddIfAbsent(TKey, TValue)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public TValue AddIfAbsent(TKey key, TValue value)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">value</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2_Clear" data-uid="Lucene.Net.Support.HashMap`2.Clear">Clear()</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual void Clear()</code></pre>
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<h4 id="Lucene_Net_Support_HashMap_2_Contains_System_Collections_Generic_KeyValuePair__0__1__" data-uid="Lucene.Net.Support.HashMap`2.Contains(System.Collections.Generic.KeyValuePair{`0,`1})">Contains(KeyValuePair&lt;TKey, TValue&gt;)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool Contains(KeyValuePair&lt;TKey, TValue&gt; item)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">item</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2_ContainsKey__0_" data-uid="Lucene.Net.Support.HashMap`2.ContainsKey(`0)">ContainsKey(TKey)</h4>
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<pre><code class="lang-csharp hljs">public virtual bool ContainsKey(TKey key)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_ContainsValue__1_" data-uid="Lucene.Net.Support.HashMap`2.ContainsValue(`1)">ContainsValue(TValue)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public bool ContainsValue(TValue value)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">value</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_CopyTo_System_Collections_Generic_KeyValuePair__0__1____System_Int32_" data-uid="Lucene.Net.Support.HashMap`2.CopyTo(System.Collections.Generic.KeyValuePair{`0,`1}[],System.Int32)">CopyTo(KeyValuePair&lt;TKey, TValue&gt;[], Int32)</h4>
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<pre><code class="lang-csharp hljs">public virtual void CopyTo(KeyValuePair&lt;TKey, TValue&gt;[] array, int arrayIndex)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;[]</td>
<td><span class="parametername">array</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">arrayIndex</span></td>
<td></td>
</tr>
</tbody>
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<h4 id="Lucene_Net_Support_HashMap_2_Equals_System_Object_" data-uid="Lucene.Net.Support.HashMap`2.Equals(System.Object)">Equals(Object)</h4>
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<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override bool Equals(object obj)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Object</span></td>
<td><span class="parametername">obj</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.Equals(System.Object)</span></div>
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<h4 id="Lucene_Net_Support_HashMap_2_GetEnumerator" data-uid="Lucene.Net.Support.HashMap`2.GetEnumerator">GetEnumerator()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IEnumerator&lt;KeyValuePair&lt;TKey, TValue&gt;&gt; GetEnumerator()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IEnumerator</span>&lt;<span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;&gt;</td>
<td></td>
</tr>
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<a id="Lucene_Net_Support_HashMap_2_GetHashCode_" data-uid="Lucene.Net.Support.HashMap`2.GetHashCode*"></a>
<h4 id="Lucene_Net_Support_HashMap_2_GetHashCode" data-uid="Lucene.Net.Support.HashMap`2.GetHashCode">GetHashCode()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override int GetHashCode()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.GetHashCode()</span></div>
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<a id="Lucene_Net_Support_HashMap_2_Remove_" data-uid="Lucene.Net.Support.HashMap`2.Remove*"></a>
<h4 id="Lucene_Net_Support_HashMap_2_Remove__0_" data-uid="Lucene.Net.Support.HashMap`2.Remove(`0)">Remove(TKey)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool Remove(TKey key)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Support_HashMap_2_Remove_" data-uid="Lucene.Net.Support.HashMap`2.Remove*"></a>
<h4 id="Lucene_Net_Support_HashMap_2_Remove_System_Collections_Generic_KeyValuePair__0__1__" data-uid="Lucene.Net.Support.HashMap`2.Remove(System.Collections.Generic.KeyValuePair{`0,`1})">Remove(KeyValuePair&lt;TKey, TValue&gt;)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool Remove(KeyValuePair&lt;TKey, TValue&gt; item)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.KeyValuePair</span>&lt;TKey, TValue&gt;</td>
<td><span class="parametername">item</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
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<h4 id="Lucene_Net_Support_HashMap_2_ToString" data-uid="Lucene.Net.Support.HashMap`2.ToString">ToString()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string ToString()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.ToString()</span></div>
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<h4 id="Lucene_Net_Support_HashMap_2_TryGetValue__0__1__" data-uid="Lucene.Net.Support.HashMap`2.TryGetValue(`0,`1@)">TryGetValue(TKey, out TValue)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual bool TryGetValue(TKey key, out TValue value)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">TKey</span></td>
<td><span class="parametername">key</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">TValue</span></td>
<td><span class="parametername">value</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="eii">Explicit Interface Implementations
</h3>
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<h4 id="Lucene_Net_Support_HashMap_2_System_Collections_IEnumerable_GetEnumerator" data-uid="Lucene.Net.Support.HashMap`2.System#Collections#IEnumerable#GetEnumerator">IEnumerable.GetEnumerator()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">IEnumerator IEnumerable.GetEnumerator()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.IEnumerator</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="implements">Implements</h3>
<div>
<span class="xref">System.Collections.Generic.IDictionary&lt;TKey, TValue&gt;</span>
</div>
<div>
<span class="xref">System.Collections.Generic.ICollection&lt;T&gt;</span>
</div>
<div>
<span class="xref">System.Collections.Generic.IEnumerable&lt;T&gt;</span>
</div>
<div>
<span class="xref">System.Collections.IEnumerable</span>
</div>
<h3 id="extensionmethods">Extension Methods</h3>
<div>
<a class="xref" href="Lucene.Net.Support.DictionaryExtensions.html#Lucene_Net_Support_DictionaryExtensions_PutAll__2_System_Collections_Generic_IDictionary___0___1__System_Collections_Generic_IEnumerable_System_Collections_Generic_KeyValuePair___0___1___">DictionaryExtensions.PutAll&lt;TKey, TValue&gt;(IDictionary&lt;TKey, TValue&gt;, IEnumerable&lt;KeyValuePair&lt;TKey, TValue&gt;&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.DictionaryExtensions.html#Lucene_Net_Support_DictionaryExtensions_Put__2_System_Collections_Generic_IDictionary___0___1____0___1_">DictionaryExtensions.Put&lt;TKey, TValue&gt;(IDictionary&lt;TKey, TValue&gt;, TKey, TValue)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_InPairs__2_System_Collections_Generic_IEnumerable___0__System_Func___0___0___1__">EnumerableExtensions.InPairs&lt;T, TOut&gt;(IEnumerable&lt;T&gt;, Func&lt;T, T, TOut&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_TakeAllButLast__1_System_Collections_Generic_IEnumerable___0__">EnumerableExtensions.TakeAllButLast&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.EnumerableExtensions.html#Lucene_Net_Support_EnumerableExtensions_TakeAllButLast__1_System_Collections_Generic_IEnumerable___0__System_Int32_">EnumerableExtensions.TakeAllButLast&lt;T&gt;(IEnumerable&lt;T&gt;, Int32)</a>
</div>
<div>
<a class="xref" href="Lucene.Net.Support.SetExtensions.html#Lucene_Net_Support_SetExtensions_RemoveAll__1_System_Collections_Generic_ICollection___0__System_Collections_Generic_IEnumerable___0__">SetExtensions.RemoveAll&lt;T&gt;(ICollection&lt;T&gt;, IEnumerable&lt;T&gt;)</a>
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