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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 19015

Explain difference between final, finally and finalize?

3 25635

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

23 58072

explain System.out.println

107 150836

What is hard code & soft code?

7 52744

What is Hash Code in Java?

6 11786

What are uses of Hash Code?

2 5266

Difference between interface and abstract class with ex.

4 6583

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

1 3669

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

2 4659

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

4 4926

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

2 5700

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 2591

What are non-access modifiers?

2 1700

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

1 1655

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Cognizant Core Java Interview Questions

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