#牛客网 华为在线编程HJ36字符串加密,java解答,用动态数组快速插入与删除
字符串加密
http://www.nowcoder.com/questionTerminal/e4af1fe682b54459b2a211df91a91cf3
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()) {
String key = sc.nextLine();
String data = sc.nextLine();
String s2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
String s1 = s2.toLowerCase();
List<String> list = new ArrayList<>();
for (int i = 0; i < s1.length(); i++) {
list.add(s1.charAt(i)+"");
}
String str= "";
for (int i = 0; i < key.length(); i++) {
if (!(str.contains(key.charAt(i)+""))) {
str += key.charAt(i);
}
}
//2.删一个添一个
for (int i = 0; i < str.length(); i++) {
list.remove(str.charAt(i)+"");
list.add(i, str.charAt(i)+"");
}
for (int i = 0; i < data.length(); i++) {
System.out.print(list.get(s1.indexOf(data.charAt(i))));
}
System.out.println();
}
sc.close();
}}

