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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 15779

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

1 4397

Does java support Operator Overloading?

585

Difference between stack and queue?

566

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

539

When does a class need a virtual destructor?

507

What is the use of a copy constructor?

546

What are abstract classes and anonymous classes?

623

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

500

Explain heap sort?

679

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

553

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

528

Explain the selection sort algorithm and state its time complexity?

577

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

673

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Un-Answered Questions

Tell me why do we convert frequency domain to laplace domain?

552


At Apple we like to hire those who are natural leaders. When have you taken on a leadership task in the workplace without being asked?

809


While creating the snapshots using the command line tools, which command should I be using?

144


What is a line break example?

551


describe a time when you are responsible for organizing different types of personal to get work done and some of them weren't very enthusiastic. What did you do?

3286






Explain how you can insert a break point in selenium ide?

452


Which design pattern is implemented by Struts2 interceptors?

533


What are the different types of modeling?

488


Is windows defender better than avast?

434


What are the advances that the banks grant to their customers for their financial assistance?

572


What is the application server?

464


You locate a command in the /bin directory but do not know what it does. What command can you use to determine its purpose

554


What is a normal margin?

345


How to write native sql query in hibernate?

153


When should banks not pay the cheque?

586