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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 19121

Explain difference between final, finally and finalize?

3 25736

what is the difference between abstract class and Interface?where we can use it in realtime projects?

23 58325

explain System.out.println

107 151927

What is hard code & soft code?

7 52996

What is Hash Code in Java?

6 11863

What are uses of Hash Code?

2 5298

Difference between interface and abstract class with ex.

4 6639

What is multithreading ???? How to stop multithrading in java????

1 3698

Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???

2 4696

What is default specifier ??? Use of default specifier ???

4 4994

Is Java Class Threadsafe ????? How to make Java class Thread safe??

2 5742

I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

1 2626

What are non-access modifiers?

2 1740

Why do we need to override equals() and hascode() method of object class?

1 1689

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Cognizant Core Java Interview Questions

Un-Answered Questions

How many types of javascript are there?


If I want to change the planning plant for the task list, how should I proceed?


Hi, Please can one tell me how to test the usability testing, which method has to be used, how to write the report? Thanks Deepa


Explain how to refresh an asp page on a single click of a button?


How many registers does x86 have?


What is forward channels in cdma?


What are the advantages of embedded style sheets?


What is the use of egrep command in unix?


What is the length of your largest python code? Can you please describe the project?


Is there a quick rule-of-thumb to estimate a gas side heat-transfer rate inside the tubes of a shell and tube heat exchanger?


ORP sensor working principle?


Specify the order of operations used for evaluating formulas in excel.


What is the difference bet standard & reference purchasing organization?


Which stage is necessary to catch exception ?


What is runtime broker?