1-salary, tell me about your self, bala bla bla
2- tell me about your projects, bla bla bla
3- Binary Search algorithm
* what is the difference between interface and abstract class (OOP)
* FizzBuzz algorithm
* how to connect mobile app to DB? what if we loose connection and we want to perform an operation?
* SQL question : write - inner join left join right join and full outer join ?
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