package com.stardust.util; import java.util.List; /** * Created by Stardust on 2017/5/8. */ public class ArrayUtils { public static Integer[] box(int[] array) { Integer[] box = new Integer[array.length]; for (int i = 0; i < array.length; i++) { box[i] = array[i]; } return box; } public static int[] unbox(Integer[] array) { int[] unbox = new int[array.length]; for (int i = 0; i < array.length; i++) { unbox[i] = array[i]; } return unbox; } public static String[] toStringArray(List list) { int i = 0; String[] str = new String[list.size()]; for (Object o : list) { str[i] = o == null ? null : o.toString(); } return str; } }