"sunny xyz",
unfortunately your display name is not valid.
We're light on rules at the JavaRanch, but we take our display names quite seriously. You can read it all
here.
We
require display names to be two words: your first name, a space, then your last name.
Fictitious names are not allowed.
Please
edit your profile and select a valid display name. Accounts with invalid display names get deleted, often without warning.
thanks,
Dave.