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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

 6 25511

Explain difference between final, finally and finalize?

 3 29622

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

 23 71970

explain System.out.println

 107 204622

What is hard code & soft code?

 7 61663

What is Hash Code in Java?

 6 16190

What are uses of Hash Code?

 2 7568

Difference between interface and abstract class with ex.

 4 9768

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

 1 5446

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

 2 7147

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

 4 8696

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

 2 8046

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 4403

What are non-access modifiers?

 2 3925

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

 1 3660

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Cognizant Core Java Interview Questions


Un-Answered Questions

Which function is used to perform string comparison?

1185

What is meant by a servlet?

1140

What is meant by executenonquery?

988

How to add video in background in HTML

1350

What is the salient feature of internet gateway.

151

Why is automation testing preferred over manual testing?

1123

What is online and offline ups? how does it works?

2202

what is dbms? : Sql dba

1034

What is the basic difference between the new s/4hana product code line and the sap business unit code line?

104

What is namespace in php?

1088

Which infotype maintain relationships between objects?

981

What is the importance of child Pipeline in Plugins ?

814

How to show which deployment server in configured to pull data from?

273

state the role of cost accounting in large scale industry

2152

do you know what is the address formats of the wcf transport schemas? : Wcf data services

842