public class ArrayUtil
extends java.lang.Object
Constructor and Description |
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ArrayUtil() |
Modifier and Type | Method and Description |
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static void |
arraycopy(byte[] src,
int src_position,
byte[] dst,
int dst_position,
int length)
This is really a debugging version of
System.arraycopy() . |
static void |
arrayMoveWithin(java.lang.Object[] array,
int moveFrom,
int moveTo,
int numToMove)
Moves a number of entries in an array to another point in the array,
shifting those inbetween as required.
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public static void arraycopy(byte[] src, int src_position, byte[] dst, int dst_position, int length)
System.arraycopy()
.
Use it to provide better exception messages when copying arrays around.
For production use it's better to use the original for speed.public static void arrayMoveWithin(java.lang.Object[] array, int moveFrom, int moveTo, int numToMove)
array
- The array to altermoveFrom
- The (0 based) index of the first entry to movemoveTo
- The (0 based) index of the positition to move tonumToMove
- The number of entries to moveCopyright 2020 The Apache Software Foundation or its licensors, as applicable.