1st Phone Interview (45 minutes):
1) SQL: Joins, Primary Key, Foreign Key, BETWEEN clause
2) Constructors
2nd Phone Interview (1 hour):
1) Implement add functionality in ArrayList.
2) Why do we use linked list and array list?
3) Reverse an integer array.
3rd Phone Interview(1 hour):
1) Difference between Abstract Classes and Interfaces? When do we use each of them?
2) Design a Zoo using Animal, Cages class.
3) What is Object oriented programming?
4) Difference between overloading and overriding.