ArrayUtil (POI API Documentation)

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org.apache.poi.util
Class ArrayUtil

java.lang.Object
  org.apache.poi.util.ArrayUtil

public class ArrayUtil
extends java.lang.Object
extends java.lang.Object

Utility classes for dealing with arrays.

Constructor Summary
`ArrayUtil()`

Method Summary
`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.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

ArrayUtil

public ArrayUtil()

Method Detail

arraycopy

public static void arraycopy(byte[] src,
                             int src_position,
                             byte[] dst,
                             int dst_position,
                             int length)

This is really a debugging version of 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.

arrayMoveWithin

public 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.

Parameters:: array - The array to alter; moveFrom - The (0 based) index of the first entry to move; moveTo - The (0 based) index of the positition to move to; numToMove - The number of entries to move