将一个数组按照固定大小进行拆分成数组的方法

/** * ArraySplit.java * Copyright(C) 2014 */package com.udpdemo.test2;import java.util.ArrayList;import java.util.List;/** *  * @author cuiran * @version 1.0.0 */public class ArraySplit {	/**	 * @param args	 * 	 */	public static void main(String[] args) {		// TODO Auto-generated method stub		 int[] ary = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};//要分割的数组		 int splitSize = 5;//分割的块大小		 Object[] subAry = splitAry(ary, splitSize);//分割后的子块数组		  		 for(Object obj: subAry){//打印输出结果			 int[] aryItem = (int[]) obj;			  for(int i = 0; i < aryItem.length; i++){				  System.out.print(aryItem[i] + ", ");			  }			  System.out.println();		 }	}	/**	 * splitAry方法<br>	 * @param ary 要分割的数组	 * @param subSize 分割的块大小	 * @return	 *	 */	private static Object[] splitAry(int[] ary, int subSize) {		 int count = ary.length % subSize == 0 ? ary.length / subSize: ary.length / subSize + 1;		 List<List<Integer>> subAryList = new ArrayList<List<Integer>>();		 for (int i = 0; i < count; i++) {		  int index = i * subSize;		  List<Integer> list = new ArrayList<Integer>();		  int j = 0;			  while (j < subSize && index < ary.length) {				  list.add(ary[index++]);				  j++;			  }		  subAryList.add(list);		 }		 		 Object[] subAry = new Object[subAryList.size()];		 		 for(int i = 0; i < subAryList.size(); i++){			  List<Integer> subList = subAryList.get(i);			  int[] subAryItem = new int[subList.size()];			  for(int j = 0; j < subList.size(); j++){				  subAryItem[j] = subList.get(j).intValue();			  }			  subAry[i] = subAryItem;		 }		 		 return subAry;		 }}