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Interview Question and Answers - 375 question(s) found

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 Q1. Write a method it will return reverse of the string(with out using reverse method of String or StringBuffer)Core Java2017-09-26 10:32:38

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


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 Q2. Difference between Class Path and Build Path ?Core Java2017-11-05 16:22:58

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


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Very frequently asked to fresh graduates.
 Q3. 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


 Q4. 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)
 Q5. 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


 Q6. Design an online shopping site system ?Design2016-12-13 11:06:10

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 Q7. 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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 Q8. Design a Data Structure for a full text Search ?Design2016-12-13 14:47:02

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 Q9. Flatten a Binary Tree to Linked ListAlgorithm2016-12-13 14:49:54

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 Q10. 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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   Like      Discuss      Correct / Improve          Myntra  Compro Technologies


 Q11. Write a Program to print permutations of a String.Core Java2016-12-13 14:59:44

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 Q12. 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


 Q13. 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


 Q14. 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


 Q15. 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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 Q16. How is hashcode calculated in java ?Core Java2017-01-09 13:27:25

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   Like      Discuss      Correct / Improve          EPAM      expert


 Q17. 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.
 Q18. 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


 Q19. 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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 Q20. 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)


 Q21. 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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 Q22. Why do you want to work here ?General2017-01-11 15:10:39

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 Q23. 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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 Q24. 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


 Q25. How are DB transactions handled in Hibernate ? Hibernate2017-01-17 13:42:11

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


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 Q26. Write an algorithm / java program for Heap Sort ?Algorithm2017-01-19 15:36:18

 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     sorting  heap sort     Deloitte        frequent


 Q27. 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


 Q28. 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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 Q29. 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



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 Q30. 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


 Q31. 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


 Q32. 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


 Q33. 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


 Q34. 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


 Q35. 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


 Q36. 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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 Q37. Ho do you share / transfer variables between JSP pages ?Java EE2017-02-02 18:07:37

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


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   Like      Discuss      Correct / Improve     jsp     UC Davis


 Q38. Write a Java program to print 10 random numbers between 1 to 100?Core Java2017-02-03 08:26:09

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 Q39. 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



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 Q40. 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


 Q41. 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


 Q42. How would you do an object oriented design on animals in a zoo ?Design2017-02-03 13:14:47

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


 Q43. 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


 Q44. 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


 Q45. 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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 Q46. 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


 Q47. 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


 Q48. What are the disadvantages of Hibernate over native APIs ?Hibernate2017-02-16 20:31:40

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 Q49. What was the worst problem you faced while working with Hibernate ?Hibernate2017-02-16 20:32:39

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 Q50. 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


 Q51. 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


 Q52. 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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 Q53. 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


 Q54. 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


 Q55. write program to do matrix multiplicationCore Java2017-02-24 14:18:15

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 Q56. Can the foreign key column have null values ?Database2017-02-25 08:32:47

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 Q57. 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)


 Q58. Write a Program to delete a node from Linked List ?Data Structure2017-05-25 08:22:58

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


 Q59. What is the difference between RollingFile and RollingRandomAccessFile in log4j ?
Log4j2017-03-01 15:56:42

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 Q60. What is the difference between log4j and java logging api ?Log4j2017-03-03 14:15:09

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 Q61. How will you design a Log4j kind of framework.Log4j2017-03-03 14:17:40

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 Q62. Difference between log4j and slf4j ?Logging2017-03-03 14:18:37

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 Q63. Difference between Mutex and Semaphore? Operating System2017-03-03 14:24:07

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   Like      Discuss      Correct / Improve     Mutex vs Semaphore     Veritas


 Q64. 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


 Q65. 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


 Q66. 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


 Q67. What is thrashing?Operating System2017-03-03 14:26:30

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 Q68. Given array of integers, find first two numbers that adds up to 10.Core Java2017-03-03 14:27:38

 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


 Q69. Explain bubble sort.Algorithm2017-03-03 14:28:51

 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     sorting  bubble sort     Amazon



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 Q70. 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


 Q71. 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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 Q72. how to get most significant bit from a byte?Core Java2017-03-03 14:37:39

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 Q73. 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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 Q74. Write a function that returns the depth of a tree.Algorithm2017-03-03 14:38:46

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 Q75. Write code to find the node where two linked lists intersect.Algorithm2017-03-03 14:39:39

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 Q76. Check if tic tac toe has a winnerAlgorithm2017-03-03 14:40:05

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 Q77. Write program to balance a binary treeAlgorithm2017-03-03 14:40:54

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 Q78. Given a graph, find if it represents a treeAlgorithm2017-03-03 14:41:06

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 Q79. Explain different sorting algorithms and Big O of eachAlgorithm2017-03-03 14:41:45

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 Q80. Write a program to find loop in a linked listAlgorithm2017-03-03 14:42:17

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 Q81. How to convert a bst to doubly linked listAlgorithm2017-03-03 14:42:30

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 Q82. What is priority inversion inheritance method?2017-03-08 12:06:47

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 Q83. 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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 Q84. Difference between Include Directive and include action in jspJava EE2017-03-09 11:38:45

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   Like      Discuss      Correct / Improve     JSP  include directive  include action     ADP


 Q85. Difference between import and include directive in jspJava EE2017-03-09 11:39:09

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 Q86. What are the core interfaces of Spring mvc ?Spring2017-03-09 13:13:56

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 Q87. Can you explain System Development Life Cycle or SDLC.Process2017-03-14 08:49:23

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 Q88. What unique things you have brought to the companies you worked earlier ? General2017-03-14 08:50:36

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 Q89. How have you influenced someone with whom you have worked earlier ?General2017-03-14 08:51:12

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 Q90. Describe one of your major failure at job and what you learned from it.General2017-03-14 08:52:10

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 Q91. How do we implement a weight round robin algorithm in load balancing ?Algorithm2017-03-19 19:31:41

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 Q92. Which Java features you like the most ?General2017-03-20 09:23:58

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 Q93. Which Java features you dislike the most ?General2017-03-20 09:24:14

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 Q94. 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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 Q95. 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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 Q96. What does 'canonical representation' in Java mean ?Core Java2017-03-22 19:48:48

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 Q97. Does Java allows inter thread communication ?Core Java2017-03-25 10:31:26

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 Q98. How can we prevent duplicate object creation in Java?Design2017-03-25 10:34:30

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 Q99. 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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 Q100. What could be the Use Cases for an Elevator system ?Testing2017-03-27 08:37:11

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   Like      Discuss      Correct / Improve     use cases  testing


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