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RBS Core Java Interview Questions
Questions Answers Views Company eMail

what is tempplate pattern

4 7673

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 5229

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?


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 6873

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 4574

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 8960

What is Co-Variant return type in method overriding?

1 4564

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 6370

Can an abstract class have a constructor?

1 8311

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Do I have to pay for microsoft outlook?


How to select an exact color to match?


Can a commit statement be executed as part of a trigger?


How do you create a credit note against an invoice? : oracle accounts receivable


What is ioc principle?