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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


Un-Answered Questions

What is a column in a table?

586


What is tag facebook?

448


state and explain that the vibration are transmitted from elastic materials or components to another?

4544


Is drop table faster than truncate?

571


What are the salesforce best practices for apex?

264






Explain about work object?

207


please any one send the fenner model question........

1490


How many types of arrays are there?

528


How do I clean windows installer files?

452


What are the access modes of START statement?

734


How do I know if chkdsk found errors?

467


What are your outdoor hobbies?

790


When maintaining session through sql server, what is the impact of read and write operation on session objects?

547


What is urlencode and urldecode in php?

589


What are the inheritance mapping strategies?

251