华为测试 字符加密

import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Scanner;public class Main {/** * @param args */public static void main(String[] args) {Scanner sc = new Scanner(System.in);String key = sc.nextLine();String text = sc.nextLine();HashMap hm = new HashMap();char[] item = key.toCharArray();List list = new ArrayList();for (int i = 0; i < item.length; i++) {if (!list.contains(item[i])) {list.add(item[i]);}}for (int k = 65; k < 91; k++) {char str = (char) (k);char str1 = (char) (k + 32);if (!(list.contains(str) || list.contains(str1))) {list.add(str);}}for (int k = 65; k < 91; k++) {char str = (char) (k);hm.put(str, list.get(k - 65));}for (int k = 0; k < text.length(); k++) {char it = text.charAt(k);String it1 = String.valueOf(it).toUpperCase();char cc = it1.charAt(0);if (Character.isUpperCase(it)) {System.out.print(hm.get(cc).toString().toUpperCase());} else {System.out.print(hm.get(cc).toString().toLowerCase());}}}}