Amdocs Software Engineer Java Developer interview questions

Horrible management specially HR They call for interview and project people say we want different technology. Again they called for interview after reaching their they say your interview has been cancelled. They don't even have courtesy to drop an email. Never they reply your emails, nor receive calls

Applied through employee referal , one online test with questions from java, sql, unix, linux, aptitude ,logical, verbal . Then after clearing interview got a call for f2f interview . Interview went for approx. 1 hr with all the project related , logical , collections , sql . After clearing interview went for hr round. Then offer.