Oracle Oracle Server Technology interview questions

1st round consists of written test; asked to write 2 programs 2nd round some theory questions and explanation of programs written in above round. 3rd a bit program oriented interview questions. 4th hr

first round PAC test(online test) after 1 week to pac test oracle came on cumpus after ppt there wer written test written test question 1 ineger stream is comming and at any time we are ask to return median of integers stream entered till now in O(1) time u can do preprocessing and u cant stored integer in array and one hint was given think to use heap data structure 2. same uml design question this is not elimination round after written test they conduct 2 interview mainly based on these question u have to explain your answer and some other technical question(to some student they did not ask question related 2nd question) and after that hr interview(only formality) technical level was ok