QA InfoTech Software Developer interview questions

There was total 4 round .In 1st round there were 20 questions based on java in 20 minutes.It was easy.Then next round was of subjective programming round it consist programming questions.3rd and 4th was technical and hr interview

1st round is objective question(20 ques in 15 min) on core java, 2nd round was having 2 written program on paper(String pattern,prime factor based) in 20 min,3rd round was at there office where again 1 subjective test with core java question,2 easy programs,1 test case for email attachment. 1st round out of 250(60 were selected),2nd round out of 60 (15 got selected), 3rd round (14 selected) Last interview with COO sir(10 selected)