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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

 6 24963

Explain difference between final, finally and finalize?

 3 29286

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

 23 70408

explain System.out.println

 107 198305

What is hard code & soft code?

 7 60959

What is Hash Code in Java?

 6 15697

What are uses of Hash Code?

 2 7339

Difference between interface and abstract class with ex.

 4 9432

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

 1 5276

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

 2 6938

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

 4 8306

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

 2 7839

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 4236

What are non-access modifiers?

 2 3689

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

 1 3473

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Cognizant Core Java Interview Questions


Un-Answered Questions

Xplain is it possible to use com component in php?

877

What is the difference between an implicit conversion and an explicit conversion?

924

What jupyter used?

259

What is WSDL? Explain its architecture?

1108

What is the difference between nil and none in swift?

765

please can you help me to get a code of flames using a visual basic 6

1715

Explain the process to compute it?

1012

Respected Consultants kinldy teach me E- recruitments call me at 901 902 1136

1902

What is the original name of java?

1008

How can you insert a table in a document?

535

What are ddl (data definition language) statements for tables in ms sql server?

1027

why dijkstra algorithm not used for negative weighted edges graph??

2012

Tell me does subversion have changesets?

690

What is the difference between RDBMS with Hadoop MapReduce?

758

Can i Have Some Examples on Enhancements.

2425