Hi I would like A cronjob to be run within spring but I also need to make sure that they don't overlap when running is this possible. Using spring ...

E.g.,

if (bool1 ^ bool2 ^ bool3 ^ bool4)
{
    // Do whatever
}

It should execute only if exactly one of the cond ...

I'd like to validate that a String is a sha256 representation of another without having to decrypt it. Is this possible?

After adding userdetails to arr array, all the elements change into same value. Please explain how to do it.

@Autowired UserDto userDto;