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Cognizant Core Java Interview Questions
Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

 6 25057

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 70717

explain System.out.println

 107 199391

What is hard code & soft code?

 7 61098

What is Hash Code in Java?

 6 15787

What are uses of Hash Code?

 2 7380

Difference between interface and abstract class with ex.

 4 9488

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

 1 5311

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

 2 6969

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

 4 8389

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

 2 7873

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 3730

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

 1 3505

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Cognizant Core Java Interview Questions


Un-Answered Questions

explain why can it be said that the enzymatic action is highly specific?

1049

What kind of os is windows?

894

What tools are involved in managing and deploying Group Policy in window server 2012?

418

How do I run a command prompt as administrator?

927

What do you mean by windows 7?

794

what is consignment stock process?

1137

What are friend classes? What are advantages of using friend classes?

1062

What is a cell in hbase?

175

How uwb is different from wi-fi?

663

Differentiate between an array and an arraylist.

1026

How can I hide my blog from people?

150

briefly describe the shell's responsibilities?

1212

To connect sap tao to solution manager, which table setting needs to be updated?

57

What are the advantages of using xforms over html?

837

Which is non maskable interrupt for 8085?

1030