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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 14508

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

1 4063

Does java support Operator Overloading?

422

Difference between stack and queue?

395

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

375

When does a class need a virtual destructor?

372

What is the use of a copy constructor?

372

What are abstract classes and anonymous classes?

438

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

374

Explain heap sort?

483

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

389

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

365

Explain the selection sort algorithm and state its time complexity?

406

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

426

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Un-Answered Questions

What is voice over internet protocol (voip)?

376


Can I use a single way bill for 1 vehicle dispatching material from multiple consigners to a single consignee???

1747


what is the transiant condition in alternator? and how it can be prevanted?

1204


What is the main purpose of server?

343


How to count duplicated values in a column in ms sql server?

321






Do you think you will prove to be a good team player as well as leader?

499


Is port forwarding dangerous?

412


What is php ci?

358


Differentiate between a parameter and a hyperparameter?

31


Explain what is a 'null pointer assignment' error? Explain what are bus errors, memory faults, and core dumps?

419


Explain the density-based method?

10


What is the full form of fsck?

281


Suppose you want to implement the one-to-one relationships while designing tables. How would you do it?

356


What is difference between razor and aspx in mvc?

1


How you are developing the script? Using record and play back or manual?

410