Samsung SDS Software Developer Engineer (SDE) interview questions

It consist of 2 rounds. First round was for an online assessment of an hour which had questions based on java, oops, data structures, java libraries, exception handling etc. Second round was personal Interview , which started with an introduction along with explaining projects and skills. Then they put basic questions on java, Oops, SQL along with basics on html and javascript. Finally they asked me 2 coding questuons , first to find the 3rd maximum number in an array without using inbuilt library and Second to write any sorting algorithm that takes O(nlogn) time.