import java.util.*; public class adbpsw public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入随机数:"); String paramString = sc.nextLine(); StringBuffer localStringBuffer = new StringBuffer(); int j = paramString.length(); int i = 0; while (i < j) { localStringBuffer.append(paramString.charAt(i) ^ 0x9); i += 1; } String pass = localStringBuffer.toString(); System.out.println("密码是: "); System.out.println(pass); } }