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  • Cognizant aptitute test questions (20)
  • Cognizant interview questions (459)
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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 17306

Explain difference between final, finally and finalize?

3 24298

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

23 55279

explain System.out.println

107 140550

What is hard code & soft code?

7 46944





What is Hash Code in Java?

6 10678

What are uses of Hash Code?

2 4681

Difference between interface and abstract class with ex.

4 5896

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

1 3087

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

2 4019

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

4 4135

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

2 5075

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 2103

What are non-access modifiers?

2 1119

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

1 1123

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Un-Answered Questions

if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

561


What is different between Difnit time and instatous over current relay

853


Making delivery challan is possiable between two branch of difference code

865


in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

533


PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

1062






what are the common errors while doing integration,system,functional,regression,user acceptance testing? can anybody please let me know the answers it is too urgent???

668


hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

608


Generic function to search for the unique link in webtable and click on it

1662


we cant write data into file using cl program then what is sndf

451


how to calculate cut length of re-bar in a circle . because we not place same length of re-bar in whole circle maximum in center and minimum at corner so how to calculate middle bars???

457


10. Whom would you pick as a leader icon and why? 11. What would you like to study if you had a chance all over again? 12. Why do you want to join our Company?

4801


Write a program in ā€˜Cā€™ language that will perform the following operation on static stack. 1. push 2. pop 3. Display 4. Exit Create separate functions for each operation. The push() should accept one argument of structure type and will not return any thing. The pop() function will not receive any argument & return structure type value. The stack & top must be declare as external variable. Each element of stack will contain the following information Roll No, Std Name, Course. Use do-while loop & switch case for generating the above menu. The format of the output should is given below: S.No. Roll No. Student Name Course 1 cse01 Anil Singh B.Tech

703


list the detailed advantages and disadvantages of off the job training

2046


What is the exact use of Collections?

772


Rent outstanding:2500

196






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