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<div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../module-summary.html">openj9.dtfj</a></div>
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">com.ibm.j9ddr.corereaders.elf</a></div>
<h1 title="Class ELFDumpReader.RegisterComparator" class="title">Class ELFDumpReader.RegisterComparator</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">java.lang.Object</a>
<div class="inheritance">com.ibm.j9ddr.corereaders.elf.ELFDumpReader.RegisterComparator</div>
</div>
<section class="description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link" target="_blank">Comparator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&gt;</code></dd>
</dl>
<dl class="notes">
<dt>Enclosing class:</dt>
<dd><a href="ELFDumpReader.html" title="class in com.ibm.j9ddr.corereaders.elf">ELFDumpReader</a></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public static class </span><span class="element-name type-name-label">ELFDumpReader.RegisterComparator</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a>
implements <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link" target="_blank">Comparator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&gt;</span></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor.summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><span class="member-name-link"><a href="#%3Cinit%3E()">RegisterComparator</a></span>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method.summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code>int</code></div>
<div class="col-second even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table"><code><span class="member-name-link"><a href="#compare(java.lang.String,java.lang.String)">compare</a></span>&#8203;(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;s1,
<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;s2)</code></div>
<div class="col-last even-row-color method-summary-table-tab2 method-summary-table-tab4 method-summary-table">
<div class="block">Compares its two arguments for order.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods.inherited.from.class.java.lang.Object">Methods declared in class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link" target="_blank">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link" target="_blank">clone</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link" target="_blank">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link" target="_blank">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link" target="_blank">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link" target="_blank">notify</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link" target="_blank">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link" target="_blank">toString</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link" target="_blank">wait</a></code></div>
<div class="inherited-list">
<h3 id="methods.inherited.from.class.java.util.Comparator">Methods declared in interface&nbsp;java.util.<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link" target="_blank">Comparator</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#equals(java.lang.Object)" title="class or interface in java.util" class="external-link" target="_blank">equals</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#reversed()" title="class or interface in java.util" class="external-link" target="_blank">reversed</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparing(java.util.Comparator)" title="class or interface in java.util" class="external-link" target="_blank">thenComparing</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparing(java.util.function.Function)" title="class or interface in java.util" class="external-link" target="_blank">thenComparing</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparing(java.util.function.Function,java.util.Comparator)" title="class or interface in java.util" class="external-link" target="_blank">thenComparing</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparingDouble(java.util.function.ToDoubleFunction)" title="class or interface in java.util" class="external-link" target="_blank">thenComparingDouble</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparingInt(java.util.function.ToIntFunction)" title="class or interface in java.util" class="external-link" target="_blank">thenComparingInt</a>, <a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#thenComparingLong(java.util.function.ToLongFunction)" title="class or interface in java.util" class="external-link" target="_blank">thenComparingLong</a></code></div>
</section>
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</section>
<section class="details">
<ul class="details-list">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor.detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;()">
<h3>RegisterComparator</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">RegisterComparator</span>()</div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method.detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="compare(java.lang.String,java.lang.String)">
<h3>compare</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">compare</span>&#8203;<span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;s1,
<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&nbsp;s2)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#compare(T,T)" title="class or interface in java.util" class="external-link" target="_blank">java.util.Comparator</a></code></span></div>
<div class="block">Compares its two arguments for order. Returns a negative integer,
zero, or a positive integer as the first argument is less than, equal
to, or greater than the second.<p>
The implementor must ensure that <code>sgn(compare(x, y)) ==
-sgn(compare(y, x))</code> for all <code>x</code> and <code>y</code>. (This
implies that <code>compare(x, y)</code> must throw an exception if and only
if <code>compare(y, x)</code> throws an exception.)<p>
The implementor must also ensure that the relation is transitive:
<code>((compare(x, y)&gt;0) &amp;&amp; (compare(y, z)&gt;0))</code> implies
<code>compare(x, z)&gt;0</code>.<p>
Finally, the implementor must ensure that <code>compare(x, y)==0</code>
implies that <code>sgn(compare(x, z))==sgn(compare(y, z))</code> for all
<code>z</code>.<p>
It is generally the case, but <i>not</i> strictly required that
<code>(compare(x, y)==0) == (x.equals(y))</code>. Generally speaking,
any comparator that violates this condition should clearly indicate
this fact. The recommended language is "Note: this comparator
imposes orderings that are inconsistent with equals."<p>
In the foregoing description, the notation
<code>sgn(</code><i>expression</i><code>)</code> designates the mathematical
<i>signum</i> function, which is defined to return one of <code>-1</code>,
<code>0</code>, or <code>1</code> according to whether the value of
<i>expression</i> is negative, zero, or positive, respectively.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html#compare(T,T)" title="class or interface in java.util" class="external-link" target="_blank">compare</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/util/Comparator.html" title="class or interface in java.util" class="external-link" target="_blank">Comparator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/16/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link" target="_blank">String</a>&gt;</code></dd>
<dt>Parameters:</dt>
<dd><code>s1</code> - the first object to be compared.</dd>
<dd><code>s2</code> - the second object to be compared.</dd>
<dt>Returns:</dt>
<dd>a negative integer, zero, or a positive integer as the
first argument is less than, equal to, or greater than the
second.</dd>
</dl>
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