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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 22530

Explain difference between final, finally and finalize?

3 27555

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

23 65066

explain System.out.println

107 178126

What is hard code & soft code?

7 58325

What is Hash Code in Java?

6 14011

What are uses of Hash Code?

2 6435

Difference between interface and abstract class with ex.

4 8107

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

1 4590

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

2 6122

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

4 6783

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

2 6999

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 3599

What are non-access modifiers?

2 2882

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

1 2615

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Cognizant Core Java Interview Questions

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