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Flextronics Core Java Interview Questions
Questions Answers Views Company eMail

String is an immutable object. Then how can the following code be justified. String s1 = ?ABC?; String s1 = s1+?XYZ?; s.o.p(s1); The output is ABCXYZ, which is the value of s1 ?

6 15894

Instead of writing Home, Remote Interfaces if i directly extends EJBObject to bean class what happens?

1 4444

Does java support Operator Overloading?

605

Difference between stack and queue?

584

What is the use of 'super' keyword inside a constructor?

556

When does a class need a virtual destructor?

527

What is the use of a copy constructor?

570

What are abstract classes and anonymous classes?

639

Can a constructor be private and how are this() and super() method used with constructor?

519

Explain heap sort?

698

How do you access command-line arguments within the code?

571

What is the difference between static and global variables and also define what are volatile variables?

549

Explain the selection sort algorithm and state its time complexity?

602

What are the characteristics of Final,Finally and Finalize keywords.

695

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Un-Answered Questions

Which activity in the fundamental test process includes evaluation of the testability of the requirements and system?

747


Highlight the need for Performance Tuning.

583


how will map a folder through ad? : Windows server 2003

108


Do I have to credit struts on my own website?

528


Tell me why is n-type conductor is neutral?

474






What does root mean in computer terms?

527


What are scheduled commercial banks?

598


What are the apt definitions for apparent power, active power and reactive power?

593


List types of http requests?

223


Explain what are the basic logic elements?

657


Define cache? : Dot net architecture

546


How to fetch particular columns in pig?

346


What is the equation for photosynthesis?

580


What is the oracle implicit cursor?

591


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

108