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Cognizant Core Java Interview Questions

Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 25524

Explain difference between final, finally and finalize?

3 29627

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

23 71996

explain System.out.println

107 204679

What is hard code & soft code?

7 61675

What is Hash Code in Java?

6 16199

What are uses of Hash Code?

2 7571

Difference between interface and abstract class with ex.

4 9773

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

1 5447

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

2 7149

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

4 8697

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

2 8049

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 4404

What are non-access modifiers?

2 3927

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

1 3661

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Cognizant Core Java Interview Questions

Cognizant Core Java Interview Questions (18)

Un-Answered Questions

Explain what is the use of Ctools in Drupal?

120

What is junit? And what is junit annotation?

1154

What are personnel calculation rules?

1145

How to activate different hints for each cell in a grid?

1748

What is web api and why to use it?

1107

Write about an iterator class?

1130

What is integer size in java?

1092

What do you understand by leds?

1119

How do I open the boot menu in windows 10?

946

What are the 7 osi layers?

860

Which of the following Master data is relevant for PM ? ( Bill of Material ,Customer Master , Functional Location ,Vendor Master ??)

1262

In HTML 5 we do not need DTD why?

921

What are the different deep learning frameworks?

390

minimum,maximum values of s12 in lossless & lossy txline?

2145

How was bayes’ theorem useful in a machine learning context?