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Software Engineer Senior Java Developer Interview Questions

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1,897 software engineer senior java developer interview questions shared by candidates

1) First round is hackerRank Test with around 12 questions and 2 are medium Coding Questions. 2) Technical Interview -1, Here they asked about Java questions, Collection Questions and 2 DSA questions medium Leetcode like Longest String without Repetition. 3) Technical round with Manager, focused Majorly on Hashmap and it's implementation with hashcode and equals method, then one stream Api question to merge 2 arrays in sorted form, Search one Linked list on other. I was answered all Questions in proper way in both Technical rounds and I was expecting offer from them as well. But when I called multiple times to HR, she wasn't picked my calls. Then I write one mail to ask about result and further discussion, she immediately replied that we are not moving forward with you. I asked for feedback, what was the reason, she didn't replied. I don't understand if they don't have to hire candidates, then why they are wasting their time.
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Software Engineer - Java Developer

Interviewed at KPMG

3.6★
Sep 7, 2024

1) First round is hackerRank Test with around 12 questions and 2 are medium Coding Questions. 2) Technical Interview -1, Here they asked about Java questions, Collection Questions and 2 DSA questions medium Leetcode like Longest String without Repetition. 3) Technical round with Manager, focused Majorly on Hashmap and it's implementation with hashcode and equals method, then one stream Api question to merge 2 arrays in sorted form, Search one Linked list on other. I was answered all Questions in proper way in both Technical rounds and I was expecting offer from them as well. But when I called multiple times to HR, she wasn't picked my calls. Then I write one mail to ask about result and further discussion, she immediately replied that we are not moving forward with you. I asked for feedback, what was the reason, she didn't replied. I don't understand if they don't have to hire candidates, then why they are wasting their time.

1. Roles, responsibilities of your current project 2. How are you trying to generate the templates in IDM? 3. AWS Questions on EC2, S3, Lambda 4. How are you deploying the application? --> in EC2 5. Any git review comments you faced? what are they 6. How do u commit your changes using Git 7. Explain scrum process -- sprint demo, planning, retro calls 8. How do u plan your sprint tasks/stories 9. How do u assign points in the sprint 10. What is an optional class explain with an example 11. There is a class B with final variables and a static block calling these final variables. From class A, we are trying to access the B class's static block. What happens? Answer: we cant access the final variables to a static method. The static method can access only static variables. 12. What happens when a constructor is created a private? 13. what is default scope when a bean is created 14. Algorithm to delete duplicates in the list 15. can we use any collection to remove duplicates? --> Yes sets 16. Hashmap vs hashtable 17. How to synchronize a variable 18. Anything you want to highlight from your skills? --? SpringBoot with microservices 19. Delete and truncate in SQL 20. How can i access different coloumns in different tables --> Joins 21. Array and ArrayList 22. How did you run Jmeter 23. In wrapper class, when declared int i = 123, i2 = 123, what is i==i2? 24. How to make java a loose coupling application? 25. What is dependency injection? 26. Difference between post and put? 27. What happens if i submit a put or post api's for N times? 28. If parent class is throwing an exception, and child class is not throwning an exception. Will it give any error or give the result?
avatar

Software Engineer - Java Developer

Interviewed at Cognizant

3.5★
May 31, 2021

1. Roles, responsibilities of your current project 2. How are you trying to generate the templates in IDM? 3. AWS Questions on EC2, S3, Lambda 4. How are you deploying the application? --> in EC2 5. Any git review comments you faced? what are they 6. How do u commit your changes using Git 7. Explain scrum process -- sprint demo, planning, retro calls 8. How do u plan your sprint tasks/stories 9. How do u assign points in the sprint 10. What is an optional class explain with an example 11. There is a class B with final variables and a static block calling these final variables. From class A, we are trying to access the B class's static block. What happens? Answer: we cant access the final variables to a static method. The static method can access only static variables. 12. What happens when a constructor is created a private? 13. what is default scope when a bean is created 14. Algorithm to delete duplicates in the list 15. can we use any collection to remove duplicates? --> Yes sets 16. Hashmap vs hashtable 17. How to synchronize a variable 18. Anything you want to highlight from your skills? --? SpringBoot with microservices 19. Delete and truncate in SQL 20. How can i access different coloumns in different tables --> Joins 21. Array and ArrayList 22. How did you run Jmeter 23. In wrapper class, when declared int i = 123, i2 = 123, what is i==i2? 24. How to make java a loose coupling application? 25. What is dependency injection? 26. Difference between post and put? 27. What happens if i submit a put or post api's for N times? 28. If parent class is throwing an exception, and child class is not throwning an exception. Will it give any error or give the result?

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