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<div class="subTitle">org.apache.commons.math3.random</div>
<h2 title="Interface RandomData" class="title">Interface RandomData</h2>
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<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../org/apache/commons/math3/random/RandomDataGenerator.html" title="class in org.apache.commons.math3.random">RandomDataGenerator</a>, <a href="../../../../../org/apache/commons/math3/random/RandomDataImpl.html" title="class in org.apache.commons.math3.random">RandomDataImpl</a></dd>
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<div class="block"><strong>Deprecated.</strong>
<div class="block"><i>to be removed in 4.0. Use <a href="../../../../../org/apache/commons/math3/random/RandomDataGenerator.html" title="class in org.apache.commons.math3.random"><code>RandomDataGenerator</code></a> directly</i></div>
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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 interface <span class="strong">RandomData</span></pre>
<div class="block">Random data generation utilities.</div>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextExponential(double)">nextExponential</a></strong>(double mean)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a random value from the exponential distribution
with specified mean.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextGaussian(double,%20double)">nextGaussian</a></strong>(double mu,
double sigma)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a random value from the Normal (or Gaussian) distribution with
specified mean and standard deviation.</div>
</td>
</tr>
<tr 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><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextHexString(int)">nextHexString</a></strong>(int len)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a random string of hex characters of length <code>len</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextInt(int,%20int)">nextInt</a></strong>(int lower,
int upper)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random integer between <code>lower</code>
and <code>upper</code> (endpoints included).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextLong(long,%20long)">nextLong</a></strong>(long lower,
long upper)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random long integer between
<code>lower</code> and <code>upper</code> (endpoints included).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextPermutation(int,%20int)">nextPermutation</a></strong>(int n,
int k)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates an integer array of length <code>k</code> whose entries are selected
randomly, without repetition, from the integers <code>0, ..., n - 1</code>
(inclusive).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextPoisson(double)">nextPoisson</a></strong>(double mean)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a random value from the Poisson distribution with the given
mean.</div>
</td>
</tr>
<tr 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><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSample(java.util.Collection,%20int)">nextSample</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><?> c,
int k)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Returns an array of <code>k</code> objects selected randomly from the
Collection <code>c</code>.</div>
</td>
</tr>
<tr 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><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureHexString(int)">nextSecureHexString</a></strong>(int len)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a random string of hex characters from a secure random
sequence.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureInt(int,%20int)">nextSecureInt</a></strong>(int lower,
int upper)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random integer between <code>lower</code>
and <code>upper</code> (endpoints included) from a secure random sequence.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureLong(long,%20long)">nextSecureLong</a></strong>(long lower,
long upper)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random long integer between
<code>lower</code> and <code>upper</code> (endpoints included) from a secure random
sequence.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextUniform(double,%20double)">nextUniform</a></strong>(double lower,
double upper)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random value from the open interval
<code>(lower, upper)</code> (i.e., endpoints excluded).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextUniform(double,%20double,%20boolean)">nextUniform</a></strong>(double lower,
double upper,
boolean lowerInclusive)</code>
<div class="block"><strong>Deprecated.</strong> </div>
<div class="block">Generates a uniformly distributed random value from the interval
<code>(lower, upper)</code> or the interval <code>[lower, upper)</code>.</div>
</td>
</tr>
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<h3>Method Detail</h3>
<a name="nextHexString(int)">
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<h4>nextHexString</h4>
<pre><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> nextHexString(int len)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a random string of hex characters of length <code>len</code>.
<p>
The generated string will be random, but not cryptographically
secure. To generate cryptographically secure strings, use
<a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureHexString(int)"><code>nextSecureHexString(int)</code></a>.
</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>len</code> - the length of the string to be generated</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random string of hex characters of length <code>len</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>len <= 0</code></dd></dl>
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<h4>nextInt</h4>
<pre>int nextInt(int lower,
int upper)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random integer between <code>lower</code>
and <code>upper</code> (endpoints included).
<p>
The generated integer will be random, but not cryptographically secure.
To generate cryptographically secure integer sequences, use
<a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureInt(int,%20int)"><code>nextSecureInt(int, int)</code></a>.
</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - lower bound for generated integer</dd><dd><code>upper</code> - upper bound for generated integer</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random integer greater than or equal to <code>lower</code>
and less than or equal to <code>upper</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code></dd></dl>
</li>
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<a name="nextLong(long, long)">
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<h4>nextLong</h4>
<pre>long nextLong(long lower,
long upper)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random long integer between
<code>lower</code> and <code>upper</code> (endpoints included).
<p>
The generated long integer values will be random, but not
cryptographically secure. To generate cryptographically secure sequences
of longs, use <a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextSecureLong(long,%20long)"><code>nextSecureLong(long, long)</code></a>.
</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - lower bound for generated long integer</dd><dd><code>upper</code> - upper bound for generated long integer</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random long integer greater than or equal to <code>lower</code> and
less than or equal to <code>upper</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code></dd></dl>
</li>
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<h4>nextSecureHexString</h4>
<pre><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> nextSecureHexString(int len)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a random string of hex characters from a secure random
sequence.
<p>
If cryptographic security is not required, use
<a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextHexString(int)"><code>nextHexString(int)</code></a>.
</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>len</code> - the length of the string to be generated</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random string of hex characters of length <code>len</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>len <= 0</code></dd></dl>
</li>
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<h4>nextSecureInt</h4>
<pre>int nextSecureInt(int lower,
int upper)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random integer between <code>lower</code>
and <code>upper</code> (endpoints included) from a secure random sequence.
<p>
Sequences of integers generated using this method will be
cryptographically secure. If cryptographic security is not required,
<a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextInt(int,%20int)"><code>nextInt(int, int)</code></a> should be used instead of this method.</p>
<p>
<strong>Definition</strong>:
<a href="http://en.wikipedia.org/wiki/Cryptographically_secure_pseudo-random_number_generator">
Secure Random Sequence</a></p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - lower bound for generated integer</dd><dd><code>upper</code> - upper bound for generated integer</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random integer greater than or equal to <code>lower</code> and less
than or equal to <code>upper</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code>.</dd></dl>
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<h4>nextSecureLong</h4>
<pre>long nextSecureLong(long lower,
long upper)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random long integer between
<code>lower</code> and <code>upper</code> (endpoints included) from a secure random
sequence.
<p>
Sequences of long values generated using this method will be
cryptographically secure. If cryptographic security is not required,
<a href="../../../../../org/apache/commons/math3/random/RandomData.html#nextLong(long,%20long)"><code>nextLong(long, long)</code></a> should be used instead of this method.</p>
<p>
<strong>Definition</strong>:
<a href="http://en.wikipedia.org/wiki/Cryptographically_secure_pseudo-random_number_generator">
Secure Random Sequence</a></p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - lower bound for generated integer</dd><dd><code>upper</code> - upper bound for generated integer</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random long integer greater than or equal to <code>lower</code> and
less than or equal to <code>upper</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code>.</dd></dl>
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<a name="nextPoisson(double)">
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<h4>nextPoisson</h4>
<pre>long nextPoisson(double mean)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a random value from the Poisson distribution with the given
mean.
<p>
<strong>Definition</strong>:
<a href="http://www.itl.nist.gov/div898/handbook/eda/section3/eda366j.htm">
Poisson Distribution</a></p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>mean</code> - the mean of the Poisson distribution</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random value following the specified Poisson distribution</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>mean <= 0</code>.</dd></dl>
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<a name="nextGaussian(double, double)">
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<h4>nextGaussian</h4>
<pre>double nextGaussian(double mu,
double sigma)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a random value from the Normal (or Gaussian) distribution with
specified mean and standard deviation.
<p>
<strong>Definition</strong>:
<a href="http://www.itl.nist.gov/div898/handbook/eda/section3/eda3661.htm">
Normal Distribution</a></p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>mu</code> - the mean of the distribution</dd><dd><code>sigma</code> - the standard deviation of the distribution</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random value following the specified Gaussian distribution</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>sigma <= 0</code>.</dd></dl>
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<h4>nextExponential</h4>
<pre>double nextExponential(double mean)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a random value from the exponential distribution
with specified mean.
<p>
<strong>Definition</strong>:
<a href="http://www.itl.nist.gov/div898/handbook/eda/section3/eda3667.htm">
Exponential Distribution</a></p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>mean</code> - the mean of the distribution</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random value following the specified exponential distribution</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>mean <= 0</code>.</dd></dl>
</li>
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<h4>nextUniform</h4>
<pre>double nextUniform(double lower,
double upper)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html" title="class in org.apache.commons.math3.exception">NotANumberException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random value from the open interval
<code>(lower, upper)</code> (i.e., endpoints excluded).
<p>
<strong>Definition</strong>:
<a href="http://www.itl.nist.gov/div898/handbook/eda/section3/eda3662.htm">
Uniform Distribution</a> <code>lower</code> and <code>upper - lower</code> are the
<a href = "http://www.itl.nist.gov/div898/handbook/eda/section3/eda364.htm">
location and scale parameters</a>, respectively.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - the exclusive lower bound of the support</dd><dd><code>upper</code> - the exclusive upper bound of the support</dd>
<dt><span class="strong">Returns:</span></dt><dd>a uniformly distributed random value between lower and upper
(exclusive)</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code></dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a></code> - if one of the bounds is infinite</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html" title="class in org.apache.commons.math3.exception">NotANumberException</a></code> - if one of the bounds is NaN</dd></dl>
</li>
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<a name="nextUniform(double, double, boolean)">
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<h4>nextUniform</h4>
<pre>double nextUniform(double lower,
double upper,
boolean lowerInclusive)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html" title="class in org.apache.commons.math3.exception">NotANumberException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates a uniformly distributed random value from the interval
<code>(lower, upper)</code> or the interval <code>[lower, upper)</code>. The lower
bound is thus optionally included, while the upper bound is always
excluded.
<p>
<strong>Definition</strong>:
<a href="http://www.itl.nist.gov/div898/handbook/eda/section3/eda3662.htm">
Uniform Distribution</a> <code>lower</code> and <code>upper - lower</code> are the
<a href = "http://www.itl.nist.gov/div898/handbook/eda/section3/eda364.htm">
location and scale parameters</a>, respectively.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lower</code> - the lower bound of the support</dd><dd><code>upper</code> - the exclusive upper bound of the support</dd><dd><code>lowerInclusive</code> - <code>true</code> if the lower bound is inclusive</dd>
<dt><span class="strong">Returns:</span></dt><dd>uniformly distributed random value in the <code>(lower, upper)</code>
interval, if <code>lowerInclusive</code> is <code>false</code>, or in the
<code>[lower, upper)</code> interval, if <code>lowerInclusive</code> is
<code>true</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>lower >= upper</code></dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotFiniteNumberException.html" title="class in org.apache.commons.math3.exception">NotFiniteNumberException</a></code> - if one of the bounds is infinite</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotANumberException.html" title="class in org.apache.commons.math3.exception">NotANumberException</a></code> - if one of the bounds is NaN</dd></dl>
</li>
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<a name="nextPermutation(int, int)">
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<h4>nextPermutation</h4>
<pre>int[] nextPermutation(int n,
int k)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Generates an integer array of length <code>k</code> whose entries are selected
randomly, without repetition, from the integers <code>0, ..., n - 1</code>
(inclusive).
<p>
Generated arrays represent permutations of <code>n</code> taken <code>k</code> at a
time.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>n</code> - the domain of the permutation</dd><dd><code>k</code> - the size of the permutation</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random <code>k</code>-permutation of <code>n</code>, as an array of
integers</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>k > n</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>k <= 0</code>.</dd></dl>
</li>
</ul>
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<h4>nextSample</h4>
<pre><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>[] nextSample(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><?> c,
int k)
throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a>,
<a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block"><span class="strong">Deprecated.</span> </div>
<div class="block">Returns an array of <code>k</code> objects selected randomly from the
Collection <code>c</code>.
<p>
Sampling from <code>c</code> is without replacement; but if <code>c</code> contains
identical objects, the sample may include repeats. If all elements of
<code>c</code> are distinct, the resulting object array represents a
<a href="http://rkb.home.cern.ch/rkb/AN16pp/node250.html#SECTION0002500000000000000000">
Simple Random Sample</a> of size <code>k</code> from the elements of
<code>c</code>.</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>c</code> - the collection to be sampled</dd><dd><code>k</code> - the size of the sample</dd>
<dt><span class="strong">Returns:</span></dt><dd>a random sample of <code>k</code> elements from <code>c</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if <code>k > c.size()</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>k <= 0</code>.</dd></dl>
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