Pergunta de entrevista da empresa Rakuten

1st round *********** 1.Multi Threading 2.Askked to implement your own DS which supports insert,remove and getrandom with O(1) time. 2nd Round ************* 1.API design. 2.Mutiple questions on Micro services. 3.Elastic search questions 3rd Round ************ 1.Deep dive into Micro servie architectre 2.ELK stack questions 3.Native cloud questions. 4.Java questions After all round were positive the last round was managerial: Q1.Multithreading question Q2.Implement BST with Unit test cases with Docker container running.