Java异或对字符进行加密和解密

classXORTest{publicstaticvoidmain(Stringargs[]){chara1='欢',a2='迎',a3='下',a4='载';charsecret='8';a1=(char)(a1^secret);a2=(char)(a2^secret);a3=(char)(a3^secret);a4=(char)(a4^secret);System.out.println("密文:"+a1+a2+a3+a4)