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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">opennlp.tools.sentdetect</a></div>
<h1 title="Class SentenceDetectorME" class="title">Class SentenceDetectorME</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">opennlp.tools.sentdetect.SentenceDetectorME</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="SentenceDetector.html" title="interface in opennlp.tools.sentdetect">SentenceDetector</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SentenceDetectorME</span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
implements <a href="SentenceDetector.html" title="interface in opennlp.tools.sentdetect">SentenceDetector</a></span></div>
<div class="block">A sentence detector for splitting up raw text into sentences.
<p>
A maximum entropy model is used to evaluate end-of-sentence characters in a
string to determine if they signify the end of a sentence.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color"><code><a href="#NO_SPLIT" class="member-name-link">NO_SPLIT</a></code></div>
<div class="col-last even-row-color">
<div class="block">Constant indicates no sentence split.</div>
</div>
<div class="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color"><code><a href="#SPLIT" class="member-name-link">SPLIT</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Constant indicates a sentence split.</div>
</div>
</div>
</section>
</li>
<!-- ======== 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><a href="#%3Cinit%3E(java.lang.String)" class="member-name-link">SentenceDetectorME</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language)</code></div>
<div class="col-last even-row-color">
<div class="block">Initializes the sentence detector by downloading a default model.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(opennlp.tools.sentdetect.SentenceModel)" class="member-name-link">SentenceDetectorME</a><wbr>(<a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a>&nbsp;model)</code></div>
<div class="col-last odd-row-color">
<div class="block">Initializes the current instance.</div>
</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(opennlp.tools.sentdetect.SentenceModel,opennlp.tools.sentdetect.lang.Factory)" class="member-name-link">SentenceDetectorME</a><wbr>(<a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a>&nbsp;model,
<a href="lang/Factory.html" title="class in opennlp.tools.sentdetect.lang">Factory</a>&nbsp;factory)</code></div>
<div class="col-last even-row-color">
<div class="block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use a <a href="SentenceDetectorFactory.html" title="class in opennlp.tools.sentdetect"><code>SentenceDetectorFactory</code></a> to extend
SentenceDetector functionality.</div>
</div>
</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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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>
<div id="method-summary-table.tabpanel" role="tabpanel">
<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 method-summary-table-tab2 method-summary-table-tab4"><code>double[]</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSentenceProbabilities()" class="member-name-link">getSentenceProbabilities</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the probabilities associated with the most recent
calls to <a href="#sentDetect(java.lang.CharSequence)"><code>sentDetect(CharSequence)</code></a>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#sentDetect(java.lang.CharSequence)" class="member-name-link">sentDetect</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link">CharSequence</a>&nbsp;s)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Detects sentences in given input <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>..</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../util/Span.html" title="class in opennlp.tools.util">Span</a>[]</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#sentPosDetect(java.lang.CharSequence)" class="member-name-link">sentPosDetect</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link">CharSequence</a>&nbsp;s)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Detects the position of the first words of sentences in a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#train(java.lang.String,opennlp.tools.util.ObjectStream,opennlp.tools.sentdetect.SentenceDetectorFactory,opennlp.tools.util.TrainingParameters)" class="member-name-link">train</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;languageCode,
<a href="../util/ObjectStream.html" title="interface in opennlp.tools.util">ObjectStream</a>&lt;<a href="SentenceSample.html" title="class in opennlp.tools.sentdetect">SentenceSample</a>&gt;&nbsp;samples,
<a href="SentenceDetectorFactory.html" title="class in opennlp.tools.sentdetect">SentenceDetectorFactory</a>&nbsp;sdFactory,
<a href="../util/TrainingParameters.html" title="class in opennlp.tools.util">TrainingParameters</a>&nbsp;mlParams)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Starts a training of a <a href="SentenceModel.html" title="class in opennlp.tools.sentdetect"><code>SentenceModel</code></a> with the given parameters.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="SPLIT">
<h3>SPLIT</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">SPLIT</span></div>
<div class="block">Constant indicates a sentence split.</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../constant-values.html#opennlp.tools.sentdetect.SentenceDetectorME.SPLIT">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="NO_SPLIT">
<h3>NO_SPLIT</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">NO_SPLIT</span></div>
<div class="block">Constant indicates no sentence split.</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../constant-values.html#opennlp.tools.sentdetect.SentenceDetectorME.NO_SPLIT">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= 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;(java.lang.String)">
<h3>SentenceDetectorME</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SentenceDetectorME</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;language)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Initializes the sentence detector by downloading a default model.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>language</code> - The language of the sentence detector.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - Thrown if the model cannot be downloaded or saved.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(opennlp.tools.sentdetect.SentenceModel)">
<h3>SentenceDetectorME</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SentenceDetectorME</span><wbr><span class="parameters">(<a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a>&nbsp;model)</span></div>
<div class="block">Initializes the current instance.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>model</code> - the <a href="SentenceModel.html" title="class in opennlp.tools.sentdetect"><code>SentenceModel</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(opennlp.tools.sentdetect.SentenceModel,opennlp.tools.sentdetect.lang.Factory)">
<h3>SentenceDetectorME</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SentenceDetectorME</span><wbr><span class="parameters">(<a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a>&nbsp;model,
<a href="lang/Factory.html" title="class in opennlp.tools.sentdetect.lang">Factory</a>&nbsp;factory)</span></div>
<div class="deprecation-block"><span class="deprecated-label">Deprecated.</span>
<div class="deprecation-comment">Use a <a href="SentenceDetectorFactory.html" title="class in opennlp.tools.sentdetect"><code>SentenceDetectorFactory</code></a> to extend
SentenceDetector functionality.</div>
</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="sentDetect(java.lang.CharSequence)">
<h3>sentDetect</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]</span>&nbsp;<span class="element-name">sentDetect</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link">CharSequence</a>&nbsp;s)</span></div>
<div class="block">Detects sentences in given input <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>..</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="SentenceDetector.html#sentDetect(java.lang.CharSequence)">sentDetect</a></code>&nbsp;in interface&nbsp;<code><a href="SentenceDetector.html" title="interface in opennlp.tools.sentdetect">SentenceDetector</a></code></dd>
<dt>Parameters:</dt>
<dd><code>s</code> - The <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>. to be processed.</dd>
<dt>Returns:</dt>
<dd>A string array containing individual sentences as elements.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="sentPosDetect(java.lang.CharSequence)">
<h3>sentPosDetect</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../util/Span.html" title="class in opennlp.tools.util">Span</a>[]</span>&nbsp;<span class="element-name">sentPosDetect</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link">CharSequence</a>&nbsp;s)</span></div>
<div class="block">Detects the position of the first words of sentences in a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a>.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="SentenceDetector.html#sentPosDetect(java.lang.CharSequence)">sentPosDetect</a></code>&nbsp;in interface&nbsp;<code><a href="SentenceDetector.html" title="interface in opennlp.tools.sentdetect">SentenceDetector</a></code></dd>
<dt>Parameters:</dt>
<dd><code>s</code> - The <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/CharSequence.html" title="class or interface in java.lang" class="external-link"><code>CharSequence</code></a> to be processed.</dd>
<dt>Returns:</dt>
<dd>An <a href="../util/Span.html" title="class in opennlp.tools.util"><code>span array</code></a> containing the positions of the end index of
every sentence.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getSentenceProbabilities()">
<h3>getSentenceProbabilities</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double[]</span>&nbsp;<span class="element-name">getSentenceProbabilities</span>()</div>
<div class="block">Returns the probabilities associated with the most recent
calls to <a href="#sentDetect(java.lang.CharSequence)"><code>sentDetect(CharSequence)</code></a>.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>The probability for each sentence returned for the most recent
call to <a href="#sentDetect(java.lang.CharSequence)"><code>sentDetect(CharSequence)</code></a>.
If not applicable, an empty array is returned.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="train(java.lang.String,opennlp.tools.util.ObjectStream,opennlp.tools.sentdetect.SentenceDetectorFactory,opennlp.tools.util.TrainingParameters)">
<h3>train</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="SentenceModel.html" title="class in opennlp.tools.sentdetect">SentenceModel</a></span>&nbsp;<span class="element-name">train</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;languageCode,
<a href="../util/ObjectStream.html" title="interface in opennlp.tools.util">ObjectStream</a>&lt;<a href="SentenceSample.html" title="class in opennlp.tools.sentdetect">SentenceSample</a>&gt;&nbsp;samples,
<a href="SentenceDetectorFactory.html" title="class in opennlp.tools.sentdetect">SentenceDetectorFactory</a>&nbsp;sdFactory,
<a href="../util/TrainingParameters.html" title="class in opennlp.tools.util">TrainingParameters</a>&nbsp;mlParams)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Starts a training of a <a href="SentenceModel.html" title="class in opennlp.tools.sentdetect"><code>SentenceModel</code></a> with the given parameters.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>languageCode</code> - The ISO language code to train the model. Must not be <code>null</code>.</dd>
<dd><code>samples</code> - The <a href="../util/ObjectStream.html" title="interface in opennlp.tools.util"><code>ObjectStream</code></a> of <a href="SentenceSample.html" title="class in opennlp.tools.sentdetect"><code>SentenceSample</code></a> used as input for training.</dd>
<dd><code>sdFactory</code> - The <a href="SentenceDetectorFactory.html" title="class in opennlp.tools.sentdetect"><code>SentenceDetectorFactory</code></a> for creating related objects as defined
via <code>mlParams</code>.</dd>
<dd><code>mlParams</code> - The <a href="../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>TrainingParameters</code></a> for the context of the training process.</dd>
<dt>Returns:</dt>
<dd>A valid, trained <a href="SentenceModel.html" title="class in opennlp.tools.sentdetect"><code>SentenceModel</code></a> instance.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - Thrown if IO errors occurred.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
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