Devstringx Technologies interview questions

First round was HR round in which the hr started with introduction and some questions like you are from mechanical background so why did you come to it and about my project and company details and some questions like what is SDLC and can we achieve multiple inheritance in java The second round was technical in which the interviewer ask about selenium webdrive and remote driver write a java program to count for repeating numbers in a arrays difference between driver find element and friver.find elements and http status codes like 405 and difference between authentication and authorisation import statement for importing selenium webdriver, what is a webdriver some basic questions from database like what is update and alter