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<h2 title="Class BufferUtils" class="title">Class BufferUtils</h2>
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<pre>public class <span class="strong">BufferUtils</span>
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extends java.lang.Object</pre>
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<div class="block">Class with static helper methods to increase the speed of array/direct buffer and direct buffer/direct buffer transfers</div>
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<dl><dt><span class="strong">Author:</span></dt>
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  <dd>mzechner</dd></dl>
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<td class="colOne"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#BufferUtils()">BufferUtils</a></strong>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#clear(java.nio.ByteBuffer, int)">clear</a></strong>(java.nio.ByteBuffer&nbsp;buffer,
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     int&nbsp;numBytes)</code>
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<div class="block">Writes the specified number of zeros to the buffer.</div>
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</td>
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<tr class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(java.nio.Buffer, java.nio.Buffer, int)">copy</a></strong>(java.nio.Buffer&nbsp;src,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from the current position of src, copying numElements elements (using the data
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 type of src, no matter the datatype of dst).</div>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(byte[], int, java.nio.Buffer, int)">copy</a></strong>(byte[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(char[], int, java.nio.Buffer, int)">copy</a></strong>(char[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(double[], int, java.nio.Buffer, int)">copy</a></strong>(double[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<tr class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(float[], java.nio.Buffer, int, int)">copy</a></strong>(float[]&nbsp;src,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numFloats,
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    int&nbsp;offset)</code>
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<div class="block">Copies numFloats floats from src starting at offset to dst.</div>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(float[], int, java.nio.Buffer, int)">copy</a></strong>(float[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<tr class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(int[], int, java.nio.Buffer, int)">copy</a></strong>(int[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<tr class="altColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(long[], int, java.nio.Buffer, int)">copy</a></strong>(long[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<tr class="rowColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#copy(short[], int, java.nio.Buffer, int)">copy</a></strong>(short[]&nbsp;src,
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    int&nbsp;srcOffset,
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    java.nio.Buffer&nbsp;dst,
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    int&nbsp;numElements)</code>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements.</div>
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<tr class="altColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#disposeUnsafeByteBuffer(java.nio.ByteBuffer)">disposeUnsafeByteBuffer</a></strong>(java.nio.ByteBuffer&nbsp;buffer)</code>&nbsp;</td>
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#getAllocatedBytesUnsafe()">getAllocatedBytesUnsafe</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>static long</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#getUnsafeBufferAddress(java.nio.Buffer)">getUnsafeBufferAddress</a></strong>(java.nio.Buffer&nbsp;buffer)</code>
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<div class="block">Returns the address of the Buffer, it assumes it is an unsafe buffer.</div>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newByteBuffer(int)">newByteBuffer</a></strong>(int&nbsp;numBytes)</code>&nbsp;</td>
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<td class="colFirst"><code>static java.nio.CharBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newCharBuffer(int)">newCharBuffer</a></strong>(int&nbsp;numChars)</code>&nbsp;</td>
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<td class="colFirst"><code>static java.nio.DoubleBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newDoubleBuffer(int)">newDoubleBuffer</a></strong>(int&nbsp;numDoubles)</code>&nbsp;</td>
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<td class="colFirst"><code>static java.nio.FloatBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newFloatBuffer(int)">newFloatBuffer</a></strong>(int&nbsp;numFloats)</code>&nbsp;</td>
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<td class="colFirst"><code>static java.nio.IntBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newIntBuffer(int)">newIntBuffer</a></strong>(int&nbsp;numInts)</code>&nbsp;</td>
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<tr class="altColor">
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<td class="colFirst"><code>static java.nio.LongBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newLongBuffer(int)">newLongBuffer</a></strong>(int&nbsp;numLongs)</code>&nbsp;</td>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.nio.ShortBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newShortBuffer(int)">newShortBuffer</a></strong>(int&nbsp;numShorts)</code>&nbsp;</td>
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<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newUnsafeByteBuffer(java.nio.ByteBuffer)">newUnsafeByteBuffer</a></strong>(java.nio.ByteBuffer&nbsp;buffer)</code>
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<div class="block">Registers the given ByteBuffer as an unsafe ByteBuffer.</div>
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<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../../com/badlogic/gdx/utils/BufferUtils.html#newUnsafeByteBuffer(int)">newUnsafeByteBuffer</a></strong>(int&nbsp;numBytes)</code>
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<div class="block">Allocates a new direct ByteBuffer from native heap memory using the native byte order.</div>
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<h4>BufferUtils</h4>
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<h4>copy</h4>
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<pre>public static&nbsp;void&nbsp;copy(float[]&nbsp;src,
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        java.nio.Buffer&nbsp;dst,
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        int&nbsp;numFloats,
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        int&nbsp;offset)</pre>
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<div class="block">Copies numFloats floats from src starting at offset to dst. Dst is assumed to be a direct <code>Buffer</code>. The method will
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 crash if that is not the case. The position and limit of the buffer are ignored, the copy is placed at position 0 in the
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 buffer. After the copying process the position of the buffer is set to 0 and its limit is set to numFloats * 4 if it is a
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 ByteBuffer and numFloats if it is a FloatBuffer. In case the Buffer is neither a ByteBuffer nor a FloatBuffer the limit is
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 not set. This is an expert method, use at your own risk.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array</dd><dd><code>dst</code> - the destination buffer, has to be a direct Buffer</dd><dd><code>numFloats</code> - the number of floats to copy</dd><dd><code>offset</code> - the offset in src to start copying from</dd></dl>
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<pre>public static&nbsp;void&nbsp;copy(byte[]&nbsp;src,
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        int&nbsp;srcOffset,
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        java.nio.Buffer&nbsp;dst,
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        int&nbsp;numElements)</pre>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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 <code>Buffer.position()</code> is used to define the offset into the Buffer itself. The position will stay the same, the limit
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 will be set to position + numElements. <b>The Buffer must be a direct Buffer with native byte order. No error checking is
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 performed</b>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<pre>public static&nbsp;void&nbsp;copy(short[]&nbsp;src,
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        int&nbsp;srcOffset,
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        java.nio.Buffer&nbsp;dst,
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        int&nbsp;numElements)</pre>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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 <code>Buffer.position()</code> is used to define the offset into the Buffer itself. The position will stay the same, the limit
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 will be set to position + numElements. <b>The Buffer must be a direct Buffer with native byte order. No error checking is
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 performed</b>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<pre>public static&nbsp;void&nbsp;copy(char[]&nbsp;src,
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        int&nbsp;srcOffset,
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        java.nio.Buffer&nbsp;dst,
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        int&nbsp;numElements)</pre>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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 <code>Buffer.position()</code> is used to define the offset into the Buffer itself. The position will stay the same, the limit
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 will be set to position + numElements. <b>The Buffer must be a direct Buffer with native byte order. No error checking is
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 performed</b>.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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 <code>Buffer.position()</code> is used to define the offset into the Buffer itself. The position will stay the same, the limit
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source array.</dd><dd><code>srcOffset</code> - the offset into the source array.</dd><dd><code>dst</code> - the destination Buffer, its position is used as an offset.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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<div class="block">Copies the contents of src to dst, starting from src[srcOffset], copying numElements elements. The <code>Buffer</code> instance's
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 <code>Buffer.position()</code> is used to define the offset into the Buffer itself. The position will stay the same, the limit
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<div class="block">Copies the contents of src to dst, starting from the current position of src, copying numElements elements (using the data
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>src</code> - the source Buffer.</dd><dd><code>dst</code> - the destination Buffer.</dd><dd><code>numElements</code> - the number of elements to copy.</dd></dl>
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