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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 16895

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

1 4812

Does java support Operator Overloading?

825

Difference between stack and queue?

795

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

738

When does a class need a virtual destructor?

742

What is the use of a copy constructor?

767

What are abstract classes and anonymous classes?

847

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

736

Explain heap sort?

908

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

799

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

807

Explain the selection sort algorithm and state its time complexity?

811

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

931

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We have two parts in generator, electrical & mechanical. how it works?

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Explain whether it is possible to share a single instance of a memcache between multiple php projects?

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List examples of voltage source?

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What is Node.js? What is it used for?

381


In Java list the methods that can be overridden?

779


How can I learn python for free?

599


What is the effect on the coefficients of logistic regression if two predictors are highly correlated? What are the confidence intervals of the coefficients?

1089


When to use coalesce and repartition in spark?

254


How will you report the bug and explain the defect tracking sheet you handled?

2797


How many types of local tables are there in sql server?

700


What are report types?

335


WHAT IS THE PROCESS OF "CLAIM PROCESSING SYSTEM"

2137


What is the role of semaphores in linux?

595