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Cognizant Core Java Interview Questions

Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 25056

Explain difference between final, finally and finalize?

3 29347

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

23 70711

explain System.out.println

107 199288

What is hard code & soft code?

7 61090

What is Hash Code in Java?

6 15782

What are uses of Hash Code?

2 7376

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 6967

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

4 8379

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

2 7869

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 3729

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

1 3505

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Cognizant Core Java Interview Questions

Cognizant Core Java Interview Questions (18)

Un-Answered Questions

Where can I find a list of applications that are pre-integrated with Azure AD and their capabilities?

660

What is load balancer? What are the types of load balancers?

136

what are the issues you faced with UME?

3006

What is the difference between public and private ip?

985

How to create struct variables?

1068

What is the maximum size of segment in 8086 microprocessor?

963

What are the domains, which are present in the light chain?

367

What is a tensorflow?

Can you cite some examples where a false positive is important than a false negative?

330

How do http requests work?

926

What is the meaning of 10base-t?

420

When do you get a .pll extension in oracle? Explain its importance

999

what is the strongest metal?

950

Differentiate between gl date and gl posted date.

317

If a user complaints that he could not execute some of the transaction codes then what will you do?

1015