Reliance Jio Interview Question for Java developer

  1. What is Microservice , can you describe Microservice Architecture ?
  2. Which protocol you have used in microservices?
  3. Write a json example.
  4. How do multiple microservices interact with each other ?
  5. How to define producer and consumer services in discovery server?
  6. What is thread ? Write a program to start a thread?
  7. What will happen if you restart a thread?
  8. Suppose there are 3 thread t1, t2, t3 , t1 thread generates even no , t2  generates odd and t3 generates prime. How will you make sure that first even no gets printed then odd and then prime no?
  9. Write a produce consumer program with a concurrent API ? You can use CountDownLatch .
  10. Write a program to remove duplicate elements from a list ?
  11. Suppose there is a list of student and that student class contains 3 fields which are StudentName , Student ID and a list of StudnetMarsks. Sort the students based on the highest marks obtained by them ? Highest marks is nothing bot the sum of all the marks obtained in all the subjects .
  12. Can we write try catch block in finally block?
  13. Can we rethrow exception in java class?
  14. How can we manage heap memory area?
  15. Garbage collector mechanism.
  16. Write a program to throw your own custom exception.
  17. What is concurrent hashmap?
  18. Can exception be thrown in finally block?
  19. How to write synchronized method and block? Write the syntax.
  20. What is finally block?
  21. Can we just write finally block without try block?



Comments

Post a Comment

Popular posts from this blog

Java Memory interview qustions

What is the differnce between stac memory and heap memory in java https://www.journaldev.com/4098/java-heap-space-vs-stack-memory What is the difference between stack overflow and outofmemory error? Explain heap memory structure ? https://www.journaldev.com/2856/java-jvm-memory-model-memory-management-in-java
Read more

Multithreading interview questions

What is multithreading concept? What is a thread? How many ways you can create a thread? Which one is better option to create a thread, by extending a thread class or by implementing Runnable interface? What is sleep method. What is yield method? What is join method? What is wait , notify and notifyAll methods , and why do they belong to Object class? What are the states of a thread ? what is a daemon thread ? What is callable? Difference between runnable and callable ? What is future object ? Programming of Future object ? What is ThreadPool ? What is executor and all its example ? What is countDownlatch and cyclic barrier ? Programming example of CountDownLatch and Cyclic barrier?  Producer consumer example ? How to create your own blocking queue? Concurrent HashMap? What is synchronization ? What is synchronized block and method ? What is volatile ? IllegalThreadStateException ?
Read more