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RBS Core Java Interview Questions
Questions Answers Views Company eMail

what is tempplate pattern

4 7189

1) There are 10 different threads in runnable state. Each having priority 1 to 10. How does the CPU schedules or executes these threads?

2 4991

2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

1422

3) Suppose you are a very rich person, having 50 rooms and you have lost the key for one of the room's. How effectively you can find this key? (Qs2 and Qs3 are related)

3 6484

Suppose there is a System A which gives some output. This output is used as input by system B. The rate at which System A produces is faster than the rate at which system B consumes it. How can you improve this?

1 4380





Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?

2 8648

What is Co-Variant return type in method overriding?

1 4368

7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?

4 5928

Can an abstract class have a constructor?

1 8082

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Un-Answered Questions

What is always encrypted?

77


Explain differences between collection api and stream api?

130


What is seismic tomography?

125


Tell me what is interrupt latency?

76


Explain their methods? Tell me their parameter names also have you used threads in servlet?

134






How increasing threshold voltage can affect on current in transistor?

692


Explain unobtrusive javascript in rails.

81


What are the parameters used to create keyspace in cassandra?

9


Describe the Reed and Muench Method ?

2610


Explain diff. Between friend and protected friend?

92


Inline the values in PL/SQL, what does it mean.?

131


Does objective c have garbage collection?

1


How do I update my drivers on windows 7?

55


Explain the reasons of rebooting the system?

90


What is difference between action support and action function?

5