Blitzschlag Technology Java Developer interview questions

it was a two day process.before starting the 1st rounds they told us that they will provide you the experience certificate from the day when you passed out.after that they conducted 1st round which was F2F technical round.they were asking the entire oops concepts.after that they have given one program to print star pattern.they told to come tomorrow.Second day we went there one senior hr took our interview which comprises of technical questions They were asking money.