Mediaocean Associate Software Engineer, Testing interview questions

All the process was online. The interview process was so smooth and nice. For the entire process HR was so professional and polite and was briefing me about each round throughly to get selected. Also they were asking me If I'll be available if they setup meeting for specific timing. The process was quick I didn't have to wait after each round, within 5-10 min I got the confirmation for next round also the offer letter after going through entire process. FIRST ROUND : CCAT apptitude ques (AI based - someone will monitor you)(50que/22min) SECOND ROUND : Technical round (Around 1.45 hrs With manager) Tell me about yourself Java OOPS ques Write a program to swap to strong without using 3rd string Find the output Write program for method overloading&overriding Write selenium script for given scenario SQL subquery And some basic ques (At and of interview the person asked me to provide feedback if something which I didn't like about the process) THIRD ROUND : MANAGERIAL ROUND (round 1.30 hrs with Sr. Manager) Tell me about yourself What all the difficulties I have faced during my training/college project Some hypothetical que like, what 1 thing You think should changed for every person in professional life? How will you handle certain situation? Puzzle Manual que? When can I join it I got selected? (At and of interview the person asked me to provide feedback if something which I didn't like about the process) other 2 round was there but they cancelled and send me the offerletter within 10-15min