Frage im Vorstellungsgespräch bei Tata Consultancy Services

Basic Questions on OOPS and then I have preferred java so they asked some basic questions on java concepts like Interface , Inheritance , Exception Handling , Array of Objects ,Java Collections , Generic Classes and so on , they have asked some basic questions on DS Algo and SQL also like searching , sorting , stack , queue , Linked List and in sql DDL DML statements , joins , keys etc.