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| <h2 title="Class BitSetArray" class="title">Class BitSetArray</h2> |
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| <pre>public class <span class="typeNameLabel">BitSetArray</span> |
| extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink" target="_blank">Object</a></pre> |
| <div class="block">This class provides a compact representation of an array of sparse bit sets. Each individual |
| set is implemented by one of a number of classes which provide optimum memory usage for the |
| size of set.</div> |
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| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">BitSetArray</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new BitSetArray with the default number of members being 16 (it will grow |
| as necessary).</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int)">BitSetArray</a></span>​(int size)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new BitSetArray with the given number of members (it will still grow as necessary |
| if an attempt is made to set bits at an index greater than the given size).</div> |
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| <td class="colFirst"><code><a href="IntEnumeration.html" title="interface in com.ibm.j9ddr.corereaders.tdump.zebedee.util">IntEnumeration</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#elements(int)">elements</a></span>​(int index)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an IntEnumeration of all the elements in the set at the given index.</div> |
| </td> |
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| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#or(int,int)">or</a></span>​(int toIndex, |
| int fromIndex)</code></th> |
| <td class="colLast"> |
| <div class="block">Do a boolean OR operation on the two sets.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#set(int,int)">set</a></span>​(int index, |
| int bit)</code></th> |
| <td class="colLast"> |
| <div class="block">Set a bit in a bit set.</div> |
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| <h4>BitSetArray</h4> |
| <pre>public BitSetArray​(int size)</pre> |
| <div class="block">Create a new BitSetArray with the given number of members (it will still grow as necessary |
| if an attempt is made to set bits at an index greater than the given size).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>size</code> - the initial number of sets</dd> |
| </dl> |
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| <h4>BitSetArray</h4> |
| <pre>public BitSetArray()</pre> |
| <div class="block">Create a new BitSetArray with the default number of members being 16 (it will grow |
| as necessary).</div> |
| </li> |
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| <pre class="methodSignature">public void set​(int index, |
| int bit)</pre> |
| <div class="block">Set a bit in a bit set.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>index</code> - the index of the bit set</dd> |
| <dd><code>bit</code> - the number of the bit in the bit set</dd> |
| </dl> |
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| <h4>or</h4> |
| <pre class="methodSignature">public void or​(int toIndex, |
| int fromIndex)</pre> |
| <div class="block">Do a boolean OR operation on the two sets. The second set is ORed into the first set.</div> |
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| <div class="block">Returns an IntEnumeration of all the elements in the set at the given index. Note that |
| the implementation of IntEnumeration that is returned has an important limitation: for |
| performance reasons, these objects are reused and once you have reached the end of the |
| enumeration (ie hasMoreElements returned false) the object may be recycled. For that |
| reason you cannot call hasMoreElements more than once it has returned false. I |
| can't think why you would want to do that but I just thought I'd mention it!</div> |
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