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<h2 title="Class IntSet" class="title">Class IntSet</h2>
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<pre>public class <span class="typeNameLabel">IntSet</span>
extends java.lang.Object</pre>
<div class="block">An unordered set that uses int keys. This implementation uses cuckoo hashing using 3 hashes, random walking, and a small stash
for problematic keys. No allocation is done except when growing the table size. <br>
<br>
This set performs very fast contains and remove (typically O(1), worst case O(log(n))). Add may be a bit slower, depending on
hash collisions. Load factors greater than 0.91 greatly increase the chances the set will have to rehash to the next higher POT
size.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Nathan Sweet</dd>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.IntSetIterator.html" title="class in com.badlogic.gdx.utils">IntSet.IntSetIterator</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#size">size</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#IntSet--">IntSet</a></span>()</code>
<div class="block">Creates a new set with an initial capacity of 51 and a load factor of 0.8.</div>
</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#IntSet-int-">IntSet</a></span>(int&nbsp;initialCapacity)</code>
<div class="block">Creates a new set with a load factor of 0.8.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#IntSet-int-float-">IntSet</a></span>(int&nbsp;initialCapacity,
float&nbsp;loadFactor)</code>
<div class="block">Creates a new set with the specified initial capacity and load factor.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#IntSet-com.badlogic.gdx.utils.IntSet-">IntSet</a></span>(<a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a>&nbsp;set)</code>
<div class="block">Creates a new set identical to the specified set.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#add-int-">add</a></span>(int&nbsp;key)</code>
<div class="block">Returns true if the key was not already in the set.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#addAll-int...-">addAll</a></span>(int...&nbsp;array)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#addAll-int:A-int-int-">addAll</a></span>(int[]&nbsp;array,
int&nbsp;offset,
int&nbsp;length)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#addAll-com.badlogic.gdx.utils.IntArray-">addAll</a></span>(<a href="../../../../com/badlogic/gdx/utils/IntArray.html" title="class in com.badlogic.gdx.utils">IntArray</a>&nbsp;array)</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#addAll-com.badlogic.gdx.utils.IntArray-int-int-">addAll</a></span>(<a href="../../../../com/badlogic/gdx/utils/IntArray.html" title="class in com.badlogic.gdx.utils">IntArray</a>&nbsp;array,
int&nbsp;offset,
int&nbsp;length)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#addAll-com.badlogic.gdx.utils.IntSet-">addAll</a></span>(<a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a>&nbsp;set)</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#clear--">clear</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#clear-int-">clear</a></span>(int&nbsp;maximumCapacity)</code>
<div class="block">Clears the set and reduces the size of the backing arrays to be the specified capacity if they are larger.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#contains-int-">contains</a></span>(int&nbsp;key)</code>&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#ensureCapacity-int-">ensureCapacity</a></span>(int&nbsp;additionalCapacity)</code>
<div class="block">Increases the size of the backing array to accommodate the specified number of additional items.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#equals-java.lang.Object-">equals</a></span>(java.lang.Object&nbsp;obj)</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#first--">first</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/badlogic/gdx/utils/IntSet.IntSetIterator.html" title="class in com.badlogic.gdx.utils">IntSet.IntSetIterator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#iterator--">iterator</a></span>()</code>
<div class="block">Returns an iterator for the keys in the set.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#remove-int-">remove</a></span>(int&nbsp;key)</code>
<div class="block">Returns true if the key was removed.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#shrink-int-">shrink</a></span>(int&nbsp;maximumCapacity)</code>
<div class="block">Reduces the size of the backing arrays to be the specified capacity or less.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/utils/IntSet.html#with-int...-">with</a></span>(int...&nbsp;array)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
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<h4>size</h4>
<pre>public&nbsp;int size</pre>
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<h4>IntSet</h4>
<pre>public&nbsp;IntSet()</pre>
<div class="block">Creates a new set with an initial capacity of 51 and a load factor of 0.8.</div>
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<pre>public&nbsp;IntSet(int&nbsp;initialCapacity)</pre>
<div class="block">Creates a new set with a load factor of 0.8.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>initialCapacity</code> - If not a power of two, it is increased to the next nearest power of two.</dd>
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<h4>IntSet</h4>
<pre>public&nbsp;IntSet(int&nbsp;initialCapacity,
float&nbsp;loadFactor)</pre>
<div class="block">Creates a new set with the specified initial capacity and load factor. This set will hold initialCapacity items before
growing the backing table.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>initialCapacity</code> - If not a power of two, it is increased to the next nearest power of two.</dd>
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<pre>public&nbsp;IntSet(<a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a>&nbsp;set)</pre>
<div class="block">Creates a new set identical to the specified set.</div>
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<h4>add</h4>
<pre>public&nbsp;boolean&nbsp;add(int&nbsp;key)</pre>
<div class="block">Returns true if the key was not already in the set.</div>
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<pre>public&nbsp;void&nbsp;addAll(<a href="../../../../com/badlogic/gdx/utils/IntArray.html" title="class in com.badlogic.gdx.utils">IntArray</a>&nbsp;array)</pre>
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<pre>public&nbsp;void&nbsp;addAll(<a href="../../../../com/badlogic/gdx/utils/IntArray.html" title="class in com.badlogic.gdx.utils">IntArray</a>&nbsp;array,
int&nbsp;offset,
int&nbsp;length)</pre>
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<pre>public&nbsp;void&nbsp;addAll(int...&nbsp;array)</pre>
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<pre>public&nbsp;void&nbsp;addAll(int[]&nbsp;array,
int&nbsp;offset,
int&nbsp;length)</pre>
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<pre>public&nbsp;void&nbsp;addAll(<a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a>&nbsp;set)</pre>
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<h4>remove</h4>
<pre>public&nbsp;boolean&nbsp;remove(int&nbsp;key)</pre>
<div class="block">Returns true if the key was removed.</div>
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<h4>shrink</h4>
<pre>public&nbsp;void&nbsp;shrink(int&nbsp;maximumCapacity)</pre>
<div class="block">Reduces the size of the backing arrays to be the specified capacity or less. If the capacity is already less, nothing is
done. If the set contains more items than the specified capacity, the next highest power of two capacity is used instead.</div>
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear(int&nbsp;maximumCapacity)</pre>
<div class="block">Clears the set and reduces the size of the backing arrays to be the specified capacity if they are larger.</div>
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
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<h4>contains</h4>
<pre>public&nbsp;boolean&nbsp;contains(int&nbsp;key)</pre>
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<h4>first</h4>
<pre>public&nbsp;int&nbsp;first()</pre>
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<h4>ensureCapacity</h4>
<pre>public&nbsp;void&nbsp;ensureCapacity(int&nbsp;additionalCapacity)</pre>
<div class="block">Increases the size of the backing array to accommodate the specified number of additional items. Useful before adding many
items to avoid multiple backing array resizes.</div>
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<h4>hashCode</h4>
<pre>public&nbsp;int&nbsp;hashCode()</pre>
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<pre>public&nbsp;boolean&nbsp;equals(java.lang.Object&nbsp;obj)</pre>
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<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
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<pre>public&nbsp;<a href="../../../../com/badlogic/gdx/utils/IntSet.IntSetIterator.html" title="class in com.badlogic.gdx.utils">IntSet.IntSetIterator</a>&nbsp;iterator()</pre>
<div class="block">Returns an iterator for the keys in the set. Remove is supported. Note that the same iterator instance is returned each time
this method is called. Use the <a href="../../../../com/badlogic/gdx/utils/IntSet.IntSetIterator.html" title="class in com.badlogic.gdx.utils"><code>IntSet.IntSetIterator</code></a> constructor for nested or multithreaded iteration.</div>
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<pre>public static&nbsp;<a href="../../../../com/badlogic/gdx/utils/IntSet.html" title="class in com.badlogic.gdx.utils">IntSet</a>&nbsp;with(int...&nbsp;array)</pre>
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