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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?

1545

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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Un-Answered Questions

What happen to generator if i have unbalanced load?

1247


How to use distinct in linq query?

19


How bluetooth technology supports iot?

1


How will you compare the results of various machine learning algorithms?

74


What is an activity? Which method is implemented by all subclasses of an activity?

200






why transformer tank is in rectangular shape what happen when it is in step shape

577


What is federated blockchain? Give examples

1


Oracle client is not able to connect to Oracle server although tnsnames.ora file has valid enteries. Oracle error message is “ cannot resolve net service name”. Mention any three reasons.

1645


What is the significance of roles in e-recruiting?

271


What are the data types supported by javascript?

188


Do I have to pay for microsoft outlook?

1


How to select an exact color to match?

1


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

247


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

250


What is ioc principle?

26