Infosys Sr System Engineer Java Interview Questions 2015

Infosys Sr System Engineer Java Interview Questions 2015


I am 3 years experienced Java Developer from Trivandrum. I attended the Infosys Interview and a panel of 2 people interviewed me. The Questions asked are as Follows.

1. Introduce Yourself: Give a introduction about yourself,mosltly talk about your career and project related, avoid talking about your own family and hobbies.
2. Asked about my current project.
3. What is String in Java?
4.  Why String is Immutable?
5. Infosys Interview Experience
6. What is Collection?
7. How HashMap works?
8. Why Map is not a Collection?
9. Difference between String and StringBuffer?
10. Which Oracle version Using?
11. Asked to write a query based on GroupBy function?

Please share your experience to help others.

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