First interview was system design round. N cricket teams play M matches between them. Assuming number of viewers on the scale of millions design a commentary feed service that tracks match ball by ball and sends updates to users in realtime. 1) user can subscribe to any match before it starts 2) user can cancel subscription before match starts. 3) service available to get update for a particular ball, design the relay system which delivers each ball status to subscribed users.
what is singleton class some random puzzle parameter in TestNG After that interview was done.HR came n said ,you can leave for the day. Interviewer does not have basic manners to take interview. It was a total day waste.Only 3 questions were asked- what is singleton class some random puzzle parameter in TestNG
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