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());
			}
		}

	}
}