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<div class="subTitle">org.apache.commons.cli</div>
<h2 title="Class Option" class="title">Class Option</h2>
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<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.commons.cli.Option</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a></dd>
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<pre>public class <span class="typeNameLabel">Option</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">Describes a single command-line option.  It maintains
 information regarding the short-name of the option, the long-name,
 if any exists, a flag indicating if an argument is required for
 this option, and a self-documenting description of the option.
 <p>
 An Option is not created independently, but is created through
 an instance of <a href="../../../../org/apache/commons/cli/Options.html" title="class in org.apache.commons.cli"><code>Options</code></a>. An Option is required to have
 at least a short or a long-name.
 <p>
 <b>Note:</b> once an <a href="../../../../org/apache/commons/cli/Option.html" title="class in org.apache.commons.cli"><code>Option</code></a> has been added to an instance
 of <a href="../../../../org/apache/commons/cli/Options.html" title="class in org.apache.commons.cli"><code>Options</code></a>, it's required flag may not be changed anymore.</div>
<dl>
<dt><span class="simpleTagLabel">Version:</span></dt>
<dd>$Id: Option.java 1756753 2016-08-18 10:18:43Z britter $</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/commons/cli/Options.html" title="class in org.apache.commons.cli"><code>Options</code></a>, 
<a href="../../../../org/apache/commons/cli/CommandLine.html" title="class in org.apache.commons.cli"><code>CommandLine</code></a>, 
<a href="../../../../serialized-form.html#org.apache.commons.cli.Option">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli">Option.Builder</a></span></code>
<div class="block">A nested builder class to create <code>Option</code> instances
 using descriptive methods.</div>
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<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#UNINITIALIZED">UNINITIALIZED</a></span></code>
<div class="block">constant that specifies the number of argument values has not been specified</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#UNLIMITED_VALUES">UNLIMITED_VALUES</a></span></code>
<div class="block">constant that specifies the number of argument values is infinite</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#Option-java.lang.String-boolean-java.lang.String-">Option</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
      boolean&nbsp;hasArg,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>
<div class="block">Creates an Option using the specified parameters.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#Option-java.lang.String-java.lang.String-">Option</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>
<div class="block">Creates an Option using the specified parameters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#Option-java.lang.String-java.lang.String-boolean-java.lang.String-">Option</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;longOpt,
      boolean&nbsp;hasArg,
      <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>
<div class="block">Creates an Option using the specified parameters.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#addValue-java.lang.String-">addValue</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;&nbsp;</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli">Option.Builder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#builder--">builder</a></span>()</code>
<div class="block">Returns a <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> to create an <a href="../../../../org/apache/commons/cli/Option.html" title="class in org.apache.commons.cli"><code>Option</code></a> using descriptive
 methods.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli">Option.Builder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#builder-java.lang.String-">builder</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt)</code>
<div class="block">Returns a <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> to create an <a href="../../../../org/apache/commons/cli/Option.html" title="class in org.apache.commons.cli"><code>Option</code></a> using descriptive
 methods.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#clone--">clone</a></span>()</code>
<div class="block">A rather odd clone method - due to incorrect code in 1.0 it is public 
 and in 1.1 rather than throwing a CloneNotSupportedException it throws 
 a RuntimeException so as to maintain backwards compat at the API level.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#equals-java.lang.Object-">equals</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getArgName--">getArgName</a></span>()</code>
<div class="block">Gets the display name for the argument value.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getArgs--">getArgs</a></span>()</code>
<div class="block">Returns the number of argument values this Option can take.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getDescription--">getDescription</a></span>()</code>
<div class="block">Retrieve the self-documenting description of this Option</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getId--">getId</a></span>()</code>
<div class="block">Returns the id of this Option.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getLongOpt--">getLongOpt</a></span>()</code>
<div class="block">Retrieve the long name of this Option.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getOpt--">getOpt</a></span>()</code>
<div class="block">Retrieve the name of this Option.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getType--">getType</a></span>()</code>
<div class="block">Retrieve the type of this Option.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValue--">getValue</a></span>()</code>
<div class="block">Returns the specified value of this Option or 
 <code>null</code> if there is no value.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValue-int-">getValue</a></span>(int&nbsp;index)</code>
<div class="block">Returns the specified value of this Option or 
 <code>null</code> if there is no value.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValue-java.lang.String-">getValue</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</code>
<div class="block">Returns the value/first value of this Option or the 
 <code>defaultValue</code> if there is no value.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValues--">getValues</a></span>()</code>
<div class="block">Return the values of this Option as a String array 
 or null if there are no values</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>char</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValueSeparator--">getValueSeparator</a></span>()</code>
<div class="block">Returns the value separator character.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#getValuesList--">getValuesList</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasArg--">hasArg</a></span>()</code>
<div class="block">Query to see if this Option requires an argument</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasArgName--">hasArgName</a></span>()</code>
<div class="block">Returns whether the display name for the argument value has been set.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasArgs--">hasArgs</a></span>()</code>
<div class="block">Query to see if this Option can take many values.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasLongOpt--">hasLongOpt</a></span>()</code>
<div class="block">Query to see if this Option has a long name</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasOptionalArg--">hasOptionalArg</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#hasValueSeparator--">hasValueSeparator</a></span>()</code>
<div class="block">Return whether this Option has specified a value separator.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#isRequired--">isRequired</a></span>()</code>
<div class="block">Query to see if this Option is mandatory</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setArgName-java.lang.String-">setArgName</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;argName)</code>
<div class="block">Sets the display name for the argument value.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setArgs-int-">setArgs</a></span>(int&nbsp;num)</code>
<div class="block">Sets the number of argument values this Option can take.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setDescription-java.lang.String-">setDescription</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</code>
<div class="block">Sets the self-documenting description of this Option</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setLongOpt-java.lang.String-">setLongOpt</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;longOpt)</code>
<div class="block">Sets the long name of this Option.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setOptionalArg-boolean-">setOptionalArg</a></span>(boolean&nbsp;optionalArg)</code>
<div class="block">Sets whether this Option can have an optional argument.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setRequired-boolean-">setRequired</a></span>(boolean&nbsp;required)</code>
<div class="block">Sets whether this Option is mandatory.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setType-java.lang.Class-">setType</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;type)</code>
<div class="block">Sets the type of this Option.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setType-java.lang.Object-">setType</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;type)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">since 1.3, use <a href="../../../../org/apache/commons/cli/Option.html#setType-java.lang.Class-"><code>setType(Class)</code></a> instead</span></div>
</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#setValueSeparator-char-">setValueSeparator</a></span>(char&nbsp;sep)</code>
<div class="block">Sets the value separator.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/commons/cli/Option.html#toString--">toString</a></span>()</code>
<div class="block">Dump state, suitable for debugging.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>UNINITIALIZED</h4>
<pre>public static final&nbsp;int UNINITIALIZED</pre>
<div class="block">constant that specifies the number of argument values has not been specified</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.commons.cli.Option.UNINITIALIZED">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int UNLIMITED_VALUES</pre>
<div class="block">constant that specifies the number of argument values is infinite</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../constant-values.html#org.apache.commons.cli.Option.UNLIMITED_VALUES">Constant Field Values</a></dd>
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<a name="Option-java.lang.String-java.lang.String-">
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<h4>Option</h4>
<pre>public&nbsp;Option(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
              <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)
       throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></pre>
<div class="block">Creates an Option using the specified parameters.
 The option does not take an argument.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>opt</code> - short representation of the option</dd>
<dd><code>description</code> - describes the function of the option</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if there are any non valid
 Option characters in <code>opt</code>.</dd>
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<pre>public&nbsp;Option(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
              boolean&nbsp;hasArg,
              <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)
       throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></pre>
<div class="block">Creates an Option using the specified parameters.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>opt</code> - short representation of the option</dd>
<dd><code>hasArg</code> - specifies whether the Option takes an argument or not</dd>
<dd><code>description</code> - describes the function of the option</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if there are any non valid
 Option characters in <code>opt</code>.</dd>
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<h4>Option</h4>
<pre>public&nbsp;Option(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt,
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              <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)
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<div class="block">Creates an Option using the specified parameters.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>opt</code> - short representation of the option</dd>
<dd><code>longOpt</code> - the long representation of the option</dd>
<dd><code>hasArg</code> - specifies whether the Option takes an argument or not</dd>
<dd><code>description</code> - describes the function of the option</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if there are any non valid
 Option characters in <code>opt</code>.</dd>
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<h3>Method Detail</h3>
<a name="getId--">
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<h4>getId</h4>
<pre>public&nbsp;int&nbsp;getId()</pre>
<div class="block">Returns the id of this Option.  This is only set when the
 Option shortOpt is a single character.  This is used for switch
 statements.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the id of this Option</dd>
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<a name="getOpt--">
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<h4>getOpt</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getOpt()</pre>
<div class="block">Retrieve the name of this Option.

 It is this String which can be used with
 <a href="../../../../org/apache/commons/cli/CommandLine.html#hasOption-java.lang.String-"><code>CommandLine.hasOption(String opt)</code></a> and
 <a href="../../../../org/apache/commons/cli/CommandLine.html#getOptionValue-java.lang.String-"><code>CommandLine.getOptionValue(String opt)</code></a> to check
 for existence and argument.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The name of this option</dd>
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<a name="getType--">
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<h4>getType</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getType()</pre>
<div class="block">Retrieve the type of this Option.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The type of this option</dd>
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<h4>setType</h4>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;void&nbsp;setType(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;type)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">since 1.3, use <a href="../../../../org/apache/commons/cli/Option.html#setType-java.lang.Class-"><code>setType(Class)</code></a> instead</span></div>
<div class="block">Sets the type of this Option.
 <p>
 <b>Note:</b> this method is kept for binary compatibility and the
 input type is supposed to be a <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang"><code>Class</code></a> object.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - the type of this Option</dd>
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<h4>setType</h4>
<pre>public&nbsp;void&nbsp;setType(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;type)</pre>
<div class="block">Sets the type of this Option.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - the type of this Option</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.3</dd>
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<a name="getLongOpt--">
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<h4>getLongOpt</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getLongOpt()</pre>
<div class="block">Retrieve the long name of this Option.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Long name of this option, or null, if there is no long name</dd>
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<pre>public&nbsp;void&nbsp;setLongOpt(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;longOpt)</pre>
<div class="block">Sets the long name of this Option.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>longOpt</code> - the long name of this Option</dd>
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<h4>setOptionalArg</h4>
<pre>public&nbsp;void&nbsp;setOptionalArg(boolean&nbsp;optionalArg)</pre>
<div class="block">Sets whether this Option can have an optional argument.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>optionalArg</code> - specifies whether the Option can have
 an optional argument.</dd>
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<pre>public&nbsp;boolean&nbsp;hasOptionalArg()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether this Option can have an optional argument</dd>
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<pre>public&nbsp;boolean&nbsp;hasLongOpt()</pre>
<div class="block">Query to see if this Option has a long name</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean flag indicating existence of a long name</dd>
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<pre>public&nbsp;boolean&nbsp;hasArg()</pre>
<div class="block">Query to see if this Option requires an argument</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean flag indicating if an argument is required</dd>
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<a name="getDescription--">
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getDescription()</pre>
<div class="block">Retrieve the self-documenting description of this Option</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The string description of this option</dd>
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<pre>public&nbsp;void&nbsp;setDescription(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description)</pre>
<div class="block">Sets the self-documenting description of this Option</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>description</code> - The description of this option</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.1</dd>
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<pre>public&nbsp;boolean&nbsp;isRequired()</pre>
<div class="block">Query to see if this Option is mandatory</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean flag indicating whether this Option is mandatory</dd>
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<pre>public&nbsp;void&nbsp;setRequired(boolean&nbsp;required)</pre>
<div class="block">Sets whether this Option is mandatory.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>required</code> - specifies whether this Option is mandatory</dd>
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<pre>public&nbsp;void&nbsp;setArgName(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;argName)</pre>
<div class="block">Sets the display name for the argument value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>argName</code> - the display name for the argument value.</dd>
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<a name="getArgName--">
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getArgName()</pre>
<div class="block">Gets the display name for the argument value.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the display name for the argument value.</dd>
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<pre>public&nbsp;boolean&nbsp;hasArgName()</pre>
<div class="block">Returns whether the display name for the argument value has been set.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>if the display name for the argument value has been set.</dd>
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<pre>public&nbsp;boolean&nbsp;hasArgs()</pre>
<div class="block">Query to see if this Option can take many values.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean flag indicating if multiple values are allowed</dd>
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<pre>public&nbsp;void&nbsp;setArgs(int&nbsp;num)</pre>
<div class="block">Sets the number of argument values this Option can take.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>num</code> - the number of argument values</dd>
</dl>
</li>
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<pre>public&nbsp;void&nbsp;setValueSeparator(char&nbsp;sep)</pre>
<div class="block">Sets the value separator.  For example if the argument value
 was a Java property, the value separator would be '='.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sep</code> - The value separator.</dd>
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</li>
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<pre>public&nbsp;char&nbsp;getValueSeparator()</pre>
<div class="block">Returns the value separator character.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value separator character.</dd>
</dl>
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<pre>public&nbsp;boolean&nbsp;hasValueSeparator()</pre>
<div class="block">Return whether this Option has specified a value separator.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether this Option has specified a value separator.</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.1</dd>
</dl>
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<pre>public&nbsp;int&nbsp;getArgs()</pre>
<div class="block">Returns the number of argument values this Option can take.
 
 <p>
 A value equal to the constant <a href="../../../../org/apache/commons/cli/Option.html#UNINITIALIZED"><code>UNINITIALIZED</code></a> (= -1) indicates
 the number of arguments has not been specified.
 A value equal to the constant <a href="../../../../org/apache/commons/cli/Option.html#UNLIMITED_VALUES"><code>UNLIMITED_VALUES</code></a> (= -2) indicates
 that this options takes an unlimited amount of values.
 </p></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>num the number of argument values</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/apache/commons/cli/Option.html#UNINITIALIZED"><code>UNINITIALIZED</code></a>, 
<a href="../../../../org/apache/commons/cli/Option.html#UNLIMITED_VALUES"><code>UNLIMITED_VALUES</code></a></dd>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getValue()</pre>
<div class="block">Returns the specified value of this Option or 
 <code>null</code> if there is no value.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value/first value of this Option or 
 <code>null</code> if there is no value.</dd>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getValue(int&nbsp;index)
                throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</a></pre>
<div class="block">Returns the specified value of this Option or 
 <code>null</code> if there is no value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - The index of the value to be returned.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the specified value of this Option or 
 <code>null</code> if there is no value.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IndexOutOfBoundsException.html?is-external=true" title="class or interface in java.lang">IndexOutOfBoundsException</a></code> - if index is less than 1
 or greater than the number of the values for this Option.</dd>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getValue(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;defaultValue)</pre>
<div class="block">Returns the value/first value of this Option or the 
 <code>defaultValue</code> if there is no value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>defaultValue</code> - The value to be returned if there
 is no value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value/first value of this Option or the 
 <code>defaultValue</code> if there are no values.</dd>
</dl>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;getValues()</pre>
<div class="block">Return the values of this Option as a String array 
 or null if there are no values</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the values of this Option as a String array 
 or null if there are no values</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getValuesList()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the values of this Option as a List
 or null if there are no values</dd>
</dl>
</li>
</ul>
<a name="toString--">
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<h4>toString</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<div class="block">Dump state, suitable for debugging.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stringified form of this object</dd>
</dl>
</li>
</ul>
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;o)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;clone()</pre>
<div class="block">A rather odd clone method - due to incorrect code in 1.0 it is public 
 and in 1.1 rather than throwing a CloneNotSupportedException it throws 
 a RuntimeException so as to maintain backwards compat at the API level. 

 After calling this method, it is very likely you will want to call 
 clearValues().</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a clone of this Option instance</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code> - if a <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/CloneNotSupportedException.html?is-external=true" title="class or interface in java.lang"><code>CloneNotSupportedException</code></a> has been thrown
 by <code>super.clone()</code></dd>
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<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;boolean&nbsp;addValue(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;value)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">This method is not intended to be used. It was a piece of internal 
 API that was made public in 1.0. It currently throws an UnsupportedOperationException.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - the value to add</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>always throws an <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang"><code>UnsupportedOperationException</code></a></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang">UnsupportedOperationException</a></code> - always</dd>
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<pre>public static&nbsp;<a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli">Option.Builder</a>&nbsp;builder()</pre>
<div class="block">Returns a <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> to create an <a href="../../../../org/apache/commons/cli/Option.html" title="class in org.apache.commons.cli"><code>Option</code></a> using descriptive
 methods.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a new <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> instance</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.3</dd>
</dl>
</li>
</ul>
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<h4>builder</h4>
<pre>public static&nbsp;<a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli">Option.Builder</a>&nbsp;builder(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;opt)</pre>
<div class="block">Returns a <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> to create an <a href="../../../../org/apache/commons/cli/Option.html" title="class in org.apache.commons.cli"><code>Option</code></a> using descriptive
 methods.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>opt</code> - short representation of the option</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a new <a href="../../../../org/apache/commons/cli/Option.Builder.html" title="class in org.apache.commons.cli"><code>Option.Builder</code></a> instance</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if there are any non valid Option characters in <code>opt</code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.3</dd>
</dl>
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