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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 19378

Explain difference between final, finally and finalize?

3 25880

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

23 58849

explain System.out.println

107 154042

What is hard code & soft code?

7 53433

What is Hash Code in Java?

6 12058

What are uses of Hash Code?

2 5386

Difference between interface and abstract class with ex.

4 6741

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

1 3779

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

2 4788

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

4 5127

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

2 5844

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 2697

What are non-access modifiers?

2 1823

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

1 1753

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Cognizant Core Java Interview Questions

Un-Answered Questions

How a general task list is different from equipment and functional location?


What are the names of interfaces that are added to a lightning component to allow it to be used as custom tabs, and to be used in lightning and community builder?


Explain pathogens?


What is a protocol in c?


Explain shape of the earth?


what is Bootstrap Grid System?


What to write.. for perception about ntpc.. when you are applying for its interview?


Input is "rama loves rajesh and rajesh Loves rama also and rajesh wear gloves and bloves" To print output is count the numbers of times repeted the word love without case sensitive.


How do I open an xml file on my phone?


Is state maintained by a Stateless bean?


How can I identify which cells in my spreadsheet have a formula and which do not in ms excel?


How do I open the startup menu?


Does all the characteristics present in ods, are key fields.


Explain some ways you create a sense of urgency to close the sale?


What is port number in java?