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  • Cognizant aptitute test questions (32)
  • Cognizant interview questions (515)
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  • Cognizant technical test questions (19)



Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 18430

Explain difference between final, finally and finalize?

3 25156

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

23 56815

explain System.out.println

107 146423

What is hard code & soft code?

7 51102





What is Hash Code in Java?

6 11342

What are uses of Hash Code?

2 5055

Difference between interface and abstract class with ex.

4 6340

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

1 3474

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

2 4425

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

4 4665

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

2 5500

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 2447

What are non-access modifiers?

2 1492

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

1 1504

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Un-Answered Questions

code for find determinent of amatrix

769


what is meant by sitemapnode ?

864


What was your role in the silicon evaluation or product ramp? What tools did you use?

1206


What is Hive query processor?

110


over draft balance as per cash book (journal entries needed) a,cheques deposited in bank but no entry was passed in cashbook b, credit side of the bank, column cash short c, chques received but not sent to bank d, insurance premium paid by bank as per standing instructions e, credit side of bank, coloumn cash short f, bank charges entered in cash book twice g, cheques received returned by bank but no entry passed h, cheques issued returned on technical grounds i, bills directly collected by bank j, bank charges debited by bank k, cheques received entered twice l, bills discounted dishonoured

1544






how to initialize a pointer to an array?

840


I want to know about rolling margin of steel :- For eg. If 2nos. bundle of 8mm dia steel with17 rods each of length 12m comes to store. During testing of 1m rod of each bundle it was found that 1rod has weight .405kg/m while other has .385kg/m. Now what will happen in case of steel payment and measurement payment ? Regards,

1053


How u will do versioning in QTP?

855


i am doing m.sc chemistry from delhi university..in my first yr i got 57% i am very confused about which subject should i opt for in second year...and what to do after m.sc if not selected in P.hD entrance exam..is their any job after m.sc???

948


wat is database testing....how to develop data driven framework in selenium enviromnent. please explaing in detail

1046


how did you spend today

970


in user parameter property we have list of values.can we write select query for binding? for example:: select empno from emp where deptno=:deptnum :deptnum is first parameter it displays distinct dept nos. if i do like this it is giving error:: bind variables are not allowed in the select statement

1107


when All datafiles related to a Tablespace are removed ?

974


what is education Cess.

1029


how to check which item is sold by the sundry debtors in tally?

846






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