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Interview Question and Answers - 345 question(s) found

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Very frequently asked to fresh graduates.
 Q1. Write a program to Generate prime numbers till a given numberCore Java

 This question was recently asked at 'NSEiT,RT logic,Misys,Accenture'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     generate prime numbers  code  coding     NSEiT  RT logic  Misys  Accenture      basic        frequent


 Q2. How would you count the number of words in a string consisting of uneven number of spaces between words( not dictionary words)? With and without library functions.Core Java2016-11-30 20:46:12

 This question was recently asked at 'Amazon'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code  coding     Amazon


Frequently asked in Alibaba (Based on 2 feedback)
 Q3. What is the best Memory setting for JVM ?Core Java2016-12-13 10:18:56

 This question was recently asked at 'Alibaba'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     jvm  memory management  jvm best memory setting     Alibaba      intermediate


 Q4. Design an online shopping site system ?Design2016-12-13 11:06:10

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 Q5. Implement an LRU Cache ?Design2016-12-13 14:46:01

 This question was recently asked at 'Myntra'.This question is still unanswered. Can you please provide an answer.


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 Q6. Design a Data Structure for a full text Search ?Design2016-12-13 14:47:02

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 Q7. Flatten a Binary Tree to Linked ListAlgorithm2016-12-13 14:49:54

 This question was recently asked at 'Myntra'.This question is still unanswered. Can you please provide an answer.


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 Q8. Write a Program to reverse a Linked List ?Data Structure2016-12-13 14:58:09

 This question was recently asked at 'Myntra,Compro Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q9. Write a Program to print permutations of a String.Core Java2016-12-13 14:59:44

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 Q10. How to create stateful Rest Services ?Rest2016-12-14 08:24:19

 This question was recently asked at 'JPMorgan Chase'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     Rest  Web Services     JPMorgan Chase


 Q11. Write a Program to print the positive and negative numbers separetlyCore Java2016-12-18 16:53:56

 This question was recently asked at 'Infoview Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code  program  coding     Infoview Technologies


 Q12. Given two files with list of words, write a program to show the common words in both filesCore Java2017-01-28 11:31:20

 This question was recently asked at 'Google'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     file handling  file io  code  coding     Google


 Q13. Given a 12-hour analog clock, compute in degree the smaller angle between the hour and minute hands2017-01-09 13:25:15

 This question was recently asked at 'EPAM'.This question is still unanswered. Can you please provide an answer.


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 Q14. How is hashcode calculated in java ?Core Java2017-01-09 13:27:25

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   Like      Discuss      Correct / Improve          EPAM      expert


 Q15. Create a Class Bank with the methods to deposit and Withdraw ?Core Java2017-01-10 10:14:14

 This question was recently asked at 'United Health Group (UHG)'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          United Health Group (UHG)      Basic


Frequently asked in high end product companies.
 Q16. Write code for LRU CacheCore Java2017-01-10 10:15:17

 This question was recently asked at 'United Health Group (UHG),Google,Zenefits,Amazon,Microsoft,SurveyMonkey,LinkedIn,Sanpdeal,MarkMonitor'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     cache  LRU cache  coding  code     United Health Group (UHG)  Google  Zenefits  Amazon  Microsoft  SurveyMonkey  LinkedIn  Sanpdeal  MarkMonitor      intermediate


 Q17. Explain your experience with Java, spring and web services?2017-01-10 10:40:19

 This question was recently asked at 'Tieto'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Tieto


 Q18. Is there any relationship between Web.xml and Spring.xml ?Spring2017-01-11 09:13:48

 This question was recently asked at 'Fidelity National Information Services (FIS)'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     spring  web.xml  spring.xml  deployment descriptor     Fidelity National Information Services (FIS)


 Q19. Design an app to find 10 most visited urlsCore Java2017-01-11 15:04:03

 This question was recently asked at 'Wayfair'.This question is still unanswered. Can you please provide an answer.


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 Q20. Why do you want to work here ?General2017-01-11 15:10:39

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 Q21. Why do you wan to stay in IT ?2017-01-11 15:40:27

 This question was recently asked at 'IT Business Management Solutions'.This question is still unanswered. Can you please provide an answer.


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 Q22. Trim a string without using String library methodCore Java2017-01-11 15:44:10

 This question was recently asked at 'Ariba'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code  coding.string  trim a string     Ariba


 Q23. How are DB transactions handled in Hibernate ? Hibernate2017-01-17 13:42:11

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 Q24. Write an algorithm / java program for Heap Sort ?Algorithm2017-01-19 15:36:18

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   Like      Discuss      Correct / Improve     sorting  heap sort     Deloitte        frequent


 Q25. What is a binary tree ?Algorithm2017-01-19 15:38:04

 This question was recently asked at 'Deloitte'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     binary tree     Deloitte


 Q26. Write a multi threaded Program that will simulate transferring of money across accounts ? Core Java2017-05-04 15:08:43

 This question was recently asked at 'Trustwave'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Trustwave


 Q27. Write any sorting algorithm.Algorithm2017-01-25 13:41:50

 This question was recently asked at 'Colgate Palmolive,LDS Church,TPG Axon Capital Management'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     Algorithm  Sorting Algorithm     Colgate Palmolive  LDS Church  TPG Axon Capital Management      basic        frequent


 Q28. Describe a project that didn't go well and what did you learn from it? General2017-01-27 18:36:26

 This question was recently asked at 'ZE PowerGroup'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          ZE PowerGroup


 Q29. Write a program for 0 and cross games? Core Java2017-03-27 08:48:50

 This question was recently asked at 'Compro Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code.coding.0 and cross game     Compro Technologies



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 Q30. Given a sorted array, write a program to check if two elements sum up to third. Core Java2017-01-28 11:14:21

 This question was recently asked at 'Facebook'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Facebook


 Q31. What is the difference between circular queue and priority queue ?Data Structures2017-01-28 14:43:39

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   Like      Discuss      Correct / Improve     circular queue  priority queue  queue  data structures  collections


 Q32. Write code to find second largest number in an array of integers.Core Java2017-07-10 14:31:32

 This question was recently asked at 'HCL Technologies'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code  coding  find in array     HCL Technologies


 Q33. Write a Program to find the missing integer in an array of consecutive numbers?Core Java2017-02-02 18:04:12

 This question was recently asked at 'Knight Capital'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Knight Capital


 Q34. Tell us something about Spring framework ?Spring2017-02-02 18:05:41

 This question was recently asked at 'OPNET'.This question is still unanswered. Can you please provide an answer.


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 Q35. Ho do you share / transfer variables between JSP pages ?Java EE2017-02-02 18:07:37

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   Like      Discuss      Correct / Improve     jsp     UC Davis


 Q36. Write a Java program to print 10 random numbers between 1 to 100?Core Java2017-02-03 08:26:09

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   Like      Discuss      Correct / Improve     coding  code


 Q37. Why don't Java objects have destructors ?Core Java2017-02-03 08:27:51

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   Like      Discuss      Correct / Improve     destructor  garbage collection


 Q38. What is the difference between && and & in Java ?Core Java2017-02-03 08:30:47

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   Like      Discuss      Correct / Improve     operators  logical vs bitwise operator


 Q39. Write a method / program that will determine if the parenthesis are balanced in a given string.Core Java2017-02-03 13:13:55

 This question was recently asked at 'Jetbro,Booking.com,Cloudera,UrjaNet,Wissen Infotech,ThoughtWorks,Capital One,Experian,Remaxys,MongoDB,One.com,Lime Brokerage,Netcracker Technology,Ooyala'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     string  code  coding     Jetbro  Booking.com  Cloudera  UrjaNet  Wissen Infotech  ThoughtWorks  Capital One  Experian  Remaxys  MongoDB  One.com  Lime Brokerage  Netcracker Technology  Ooyala



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 Q40. How would you do an object oriented design on animals in a zoo ?Design2017-02-03 13:14:47

 This question was recently asked at 'Booking.com,InterContinental Hotels,Caissa,Workday'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Booking.com  InterContinental Hotels  Caissa  Workday


 Q41. What are the components of Spring framework ?Spring2017-02-06 11:57:01

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   Like      Discuss      Correct / Improve     spring  spring framework components     Deloitte  NZone  L&T Infotech  Ocean Consulting


 Q42. Design a Passport Office systemDesign2017-02-11 13:58:33

 This question was recently asked at 'Netcracker Technology'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     Design     Netcracker Technology


 Q43. Where do you see yourself in next 5 years? General2017-02-14 10:34:55

 This question was recently asked at 'Reverside Software Solutions'.This question is still unanswered. Can you please provide an answer.


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 Q44. What are the daily activities of build and release engineer ?2017-02-16 08:24:54

 This question was recently asked at 'greeteck infosolutions'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     build and release     greeteck infosolutions


 Q45. Do you like Native SQL Apis like JDBC or JPA / Hibernate ?Hibernate2017-02-16 20:31:16

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   Like      Discuss      Correct / Improve     JDBC vs JPA  JDBC vs Hibernate


 Q46. What are the disadvantages of Hibernate over native APIs ?Hibernate2017-02-16 20:31:40

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 Q47. What was the worst problem you faced while working with Hibernate ?Hibernate2017-02-16 20:32:39

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 Q48. Is it advisable to keep session or transaction open for long time just to avoid LazyInitializationException ?Hibernate2017-02-16 20:33:52

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   Like      Discuss      Correct / Improve     LazyInitializationException  Lazy Loading


 Q49. How to create list that will sort it's elements dynamically?Algorithm2017-02-21 12:47:22

 This question was recently asked at 'General Electric (GE)'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          General Electric (GE)      intermediate



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 Q50. what is the repository structure in svn ?SVN2017-02-23 09:24:42

 This question was recently asked at 'Sri Tech'.This question is still unanswered. Can you please provide an answer.


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 Q51. How Marker interfaces works internally ?Core Java2017-02-23 10:38:31

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   Like      Discuss      Correct / Improve     marker interfaces  interfaces     GGK Technologies      expert        rare


 Q52. Write program to create a linked list and perform different operations on it.Algorithm2017-02-24 14:18:01

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   Like      Discuss      Correct / Improve     Linkedlist  data structures  algorithm     Kony Labs      basic


 Q53. write program to do matrix multiplicationCore Java2017-02-24 14:18:15

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   Like      Discuss      Correct / Improve          Kony Labs


 Q54. Can the foreign key column have null values ?Database2017-02-25 08:32:47

 This question was recently asked at 'Volkswagen It services'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Volkswagen It services


 Q55. How do threads share information ?Core Java2017-02-27 07:33:36

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   Like      Discuss      Correct / Improve     threads     Concurrent Technologies Corporation (CTC)


 Q56. Write a Program to delete a node from Linked List ?Data Structure2017-05-25 08:22:58

 This question was recently asked at 'Caprus IT'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     linkedlist  delete a node from linked list     Caprus IT


 Q57. What is the difference between RollingFile and RollingRandomAccessFile in log4j ?
Log4j2017-03-01 15:56:42

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   Like      Discuss      Correct / Improve     log4j  RollingFile  RollingRandomAccessFile


 Q58. What is the difference between log4j and java logging api ?Log4j2017-03-03 14:15:09

 This question was recently asked at 'Credit Suisse'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Credit Suisse


 Q59. How will you design a Log4j kind of framework.Log4j2017-03-03 14:17:40

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 Q60. Difference between log4j and slf4j ?Logging2017-03-03 14:18:37

 This question was recently asked at 'Y Media Labs'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     log4j vs slf4j     Y Media Labs


 Q61. Difference between Mutex and Semaphore? Operating System2017-03-03 14:24:07

 This question was recently asked at 'Veritas'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     Mutex vs Semaphore     Veritas


 Q62. Difference between Virtual Memory and Demand Paging?Operating System2017-03-03 14:24:34

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   Like      Discuss      Correct / Improve     Virtual Memory vs Demand Paging     Veritas


 Q63. Explain process life cycle.Operating System2017-03-03 14:25:20

 This question was recently asked at 'Veritas'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Veritas


 Q64. What is an Operating system or OS ?Operating System2017-03-03 14:26:14

 This question was recently asked at 'Veritas'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Veritas


 Q65. What is thrashing?Operating System2017-03-03 14:26:30

 This question was recently asked at 'Veritas'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve          Veritas


 Q66. Given array of integers, find first two numbers that adds up to 10.Core Java2017-03-03 14:27:38

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   Like      Discuss      Correct / Improve     Code  Coding     Amazon


 Q67. Explain bubble sort.Algorithm2017-03-03 14:28:51

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   Like      Discuss      Correct / Improve     sorting  bubble sort     Amazon


 Q68. Write code to check if a Binary tree is symmetricalAlgorithm2017-03-03 14:29:12

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   Like      Discuss      Correct / Improve     binary tree     Amazon


 Q69. Write a program to reverse words of a sentence.Core Java2017-03-03 14:30:14

 This question was recently asked at 'Amazon'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     code  Coding     Amazon



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 Q70. how to get most significant bit from a byte?Core Java2017-03-03 14:37:39

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   Like      Discuss      Correct / Improve          Amazon


 Q71. What data structure will you use if we have to search an element in million of elements ?Data Structure2017-03-03 14:38:28

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   Like      Discuss      Correct / Improve          Microsoft


 Q72. Write a function that returns the depth of a tree.Algorithm2017-03-03 14:38:46

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 Q73. Write code to find the node where two linked lists intersect.Algorithm2017-03-03 14:39:39

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 Q74. Check if tic tac toe has a winnerAlgorithm2017-03-03 14:40:05

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 Q75. Write program to balance a binary treeAlgorithm2017-03-03 14:40:54

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 Q76. Given a graph, find if it represents a treeAlgorithm2017-03-03 14:41:06

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 Q77. Explain different sorting algorithms and Big O of eachAlgorithm2017-03-03 14:41:45

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 Q78. Write a program to find loop in a linked listAlgorithm2017-03-03 14:42:17

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 Q79. How to convert a bst to doubly linked listAlgorithm2017-03-03 14:42:30

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 Q80. What is priority inversion inheritance method?2017-03-08 12:06:47

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 Q81. If a company comes to you with a problem statement, how would you help provide a solution for it ?General2017-03-09 11:32:12

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 Q82. Difference between Include Directive and include action in jspJava EE2017-03-09 11:38:45

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 Q83. Difference between import and include directive in jspJava EE2017-03-09 11:39:09

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 Q84. What are the core interfaces of Spring mvc ?Spring2017-03-09 13:13:56

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 Q85. Can you explain System Development Life Cycle or SDLC.Process2017-03-14 08:49:23

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 Q86. What unique things you have brought to the companies you worked earlier ? General2017-03-14 08:50:36

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 Q87. How have you influenced someone with whom you have worked earlier ?General2017-03-14 08:51:12

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 Q88. Describe one of your major failure at job and what you learned from it.General2017-03-14 08:52:10

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 Q89. How do we implement a weight round robin algorithm in load balancing ?Algorithm2017-03-19 19:31:41

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 Q90. Which Java features you like the most ?General2017-03-20 09:23:58

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 Q91. Which Java features you dislike the most ?General2017-03-20 09:24:14

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 Q92. Which features you feel are missing in Java and would have added great value if were present in the language ?General2017-03-20 09:25:06

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 Q93. Do you like the features introduced with Java 8 ? Which one you like the most ?General2017-03-20 09:31:09

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 Q94. What does 'canonical representation' in Java mean ?Core Java2017-03-22 19:48:48

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 Q95. Does Java allows inter thread communication ?Core Java2017-03-25 10:31:26

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 Q96. How can we prevent duplicate object creation in Java?Design2017-03-25 10:34:30

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 Q97. Create an object oriented design using classes and interfaces to show relationship in a Sport tournament ?Design2017-03-25 10:35:52

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 Q98. What could be the Use Cases for an Elevator system ?Testing2017-03-27 08:37:11

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 Q99. Given 2 jars of 5 ltr and 3 ltr, how will you get 4 ltrs in one of those jars ?Puzzle2017-03-27 08:38:54

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 Q100. Write a Program to find the middle element of Linked List ?Data Structure2017-03-27 08:39:28

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