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iFlex Core Java Interview Questions
Questions Answers Views Company eMail

Can a class inherit the constructors of its superclass?

9 16175

Difference between abstract class and Interfaces?

7 11406

What is Transient and volatile

10 27894

how u do unit testing?

2 3800

How u dubugg ur project?

1 4813

if i have one string class then how can you achive this class functionality of this class?

3 4489

What is the importance in context in JDBC connection pools?

2 2969

Difference between local and global transaction ?

1 19235

Difference between overloading and Overriding. (also asked in PA Consultancy Group,iflex,Value chain,IBM,CTS,Accenture, Tarang>

12 23836

where is .equals() method and how is it different from == operation Is hashing related to these?

4 4950

What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 11854

If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?

7 10888

what is the need of the Ajax?

5 5099

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iFlex Core Java Interview Questions

Un-Answered Questions

What is drop cap?


Explain procedure to change characterset of a database.


How to remove duplicates from a list in python ?


What is hierarchical inheritance in c#?


why we have to use particular buffer only for dissolution instead of using cheap buffer.


What are the elements of dbms?


Read N characters in to an array . Use functions to do all problems and pass the address of array to function. 1. Print only the alphabets . If in upper case print in lower case vice versa. 2. Enter alphanumeric characters and form 2 array alphaets and digits.Also print the count of each array. 3. Find the count of a certain character. 4. Print the positions where a certain character occured. 5. Print the characters between successive array elements. 6. Find the largest and smallest charcter. How many times it each one occured. 7. Enter a certain range. Print out the array elements which occured between these range. 8. Reverse a character array without using another array. 9. Reverse an array region. 10. Replace a the array elements with it next character . Use a after z. 11. Code the array element with certain character as first alphabet. 12. Duplicate all the vowels in a character array. What is the new count. 13. Delete the vowels in a character array. What is the new array count. 14. Print the count of all characters in the array. 15. Enter n alphabets and store a upto tht charcter in array.What is the array count? 16. Sort a character array. 17. Merge 2 character arrays largearray,smallarray. 18. Find the pair with largest number of characters in between. 19. Find the numerical value of a charcter array. 20. Store n numeral characters in an arrray. Insert another numeral character in a certain position. 21. Insert a character in a sorted array. 22. Merge 2 sorted arrays in sorted fashion. 23. Duplicate the least occuring character. 24. Write a menu driven program to circular right/left shift an array of n elements. 25. Is the character array palindrome? if not make it palindrome. 26. Concatenate the first n charaters to the end of the string. 27. Print all n group of chracters which are palindrome. 28. Concatneate the reverse of last n characters to the array.


What is 9 in kill?


Why do data link layer protocols position the checksum in the trailer and not in the header ?


How is it possible to cast types in php?


What is 'appropriation bill'?


Explain about struts relation to html tags?


What is retain in ios?


What is Work Flow of AP,AR, Sales & Purchase


what are the application of over current relay?