Interview Questions for Java Developer at Barco, Noida

Overview:

Barco has very slow process. First of all I filled all my personal & professional details in a long form, then wait for 2 hours to start the interview while there were no any another candidate except me.

Interview Questions:

  1. Describe your whole day activity.
  2. How many types of scope in spring
  3. There is a singleton bean A which is using bean B which is prototype now I want that whenever I will call to A then B should create new at every time. Hint: We can achieve it using Proxy scope.
  4. What is the use of AOP
  5. Difference between volatile int and AtomicInteger and which one is better
  6. What is Synchronizer and how CountDownLatch solve the problem
  7. How voting work to become a master in mongo and what is the use arbitrary node and what will happen when there will be only single node live.
  8. What are cluster and replica set in mongodb.
  9. Difference between git and svn
  10. How many types of cache in mongo and why do we use second level cache
  11. Describe Agile process
  12. What mongod and mongos command do?
  13. Why do you want to change your job?
  14. If data is not updated into db means which is in hibernate session and server goes down then how it will save data into database.
  15. Competitor of hazelcast


Please comment your answers for above questions 😆

Location: Noida, Uttar Pradesh, India

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