Java分割数组成子数组

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我有一个 2000多长度的数组，我要分割成40个50长度的子数组，怎么实现 ？

问题补充：

我需要的结果是这样的：把这个数组 int[] sum = {0,1,2,3,4,5,……,18};分成 int[] a = {0,1,2,3,4}; //长度5 int[] b = {5,6,7,8,9}; //长度5 int[] c = {10,11,12,13,14}; //长度5 int[] d = {15,16,17,18}; //长度4

import java.util.ArrayList;import java.util.List;public class ABC { public static void main(String[] args) {  int[] ary = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18};//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();  } } 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; }}

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0, 1, 2, 3, 4,

5, 6, 7, 8, 9,

10, 11, 12, 13, 14,

15, 16, 17, 18,

           

分享一下我老师大神的人工智能教程。零基础！通俗易懂！风趣幽默！还带黄段子！希望你也加入到我们人工智能的队伍中来！https://blog.youkuaiyun.com/jiangjunshow