SplitList-分割數組

import java.util.ArrayList; import java.util.List; /** * Created on 2022/11/17. * * @author lichuanming */ public class SplitList { public static <T> List<List<T>> splitListByNum(List<T> list, int subNum) { List<List<T>> tNewList = new ArrayList<List<T>>(); int priIndex = 0; int lastPriIndex = 0; int insertTimes = list.size()/subNum; List<T> subList = new ArrayList<>(); for (int i = 0;i <= insertTimes;i++) { priIndex = subNum*i; lastPriIndex = priIndex + subNum; if (i == insertTimes) { subList = list.subList(priIndex,list.size()); } else { subList = list.subList(priIndex,lastPriIndex); } if (subList.size() > 0) { tNewList.add(subList); } } return tNewList; } }