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Cognizant Core Java Interview Questions

Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 25069

Explain difference between final, finally and finalize?

3 29352

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

23 70727

explain System.out.println

107 199427

What is hard code & soft code?

7 61112

What is Hash Code in Java?

6 15788

What are uses of Hash Code?

2 7382

Difference between interface and abstract class with ex.

4 9491

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

1 5317

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

2 6973

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

4 8389

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

2 7877

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 4260

What are non-access modifiers?

2 3733

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

1 3507

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Cognizant Core Java Interview Questions

Cognizant Core Java Interview Questions (18)

Un-Answered Questions

Why is spring preferred over struts?

417

What are the three core languages in web pages?

1004

What is visualforce?

434

how to caluclate sienerge qty in construction in ap

2375

Is the table size in source system and sap hana system same?

110

Does wordpress still use php?

956

What is the difference between with profit and without profit plans?

640

Explain how to identify a device or a user?

844

How do you communicate complex cancer diagnoses, treatment options, and potential risks with patients and their families?

How do I list directories in dos?

541

How does the Hide Empty Folders command in the folder comparison window work?

2105

What is web-to-lead?

459

What is use of transaction in hibernate?

443

Will upgrading to windows 10 from windows 7 delete my files?

806

What are the basic operations of stack?

877