users.isEmpty() || users == null
Swap these.
users == null || users.isEmpty()
You want to evaluate null BEFORE calling isEmpty() on a potentially null variable.
Type: Posts; User: aussiemcgr
Re: Exception in thread "Thread-0" .. Please help me!
users.isEmpty() || users == null
Swap these.
users == null || users.isEmpty()
You want to evaluate null BEFORE calling isEmpty() on a potentially null variable.