설연휴 java 코딩 과제package re_html;import java.util.*;public class homework { public static void main(String[] args) { homework_box hb = new homework_box(); hb.gen_rand(); hb.match_num(); hb.papagu(); hb.input_sort(); hb.biggest(); } }class homework_box{ Scanner sc = null; ArrayList> sarr2 = null; ArrayList unum = null; ArrayList sarr = null; ArrayList iarr = null; Integer no = null; int cnt = ..