Java interview questions and answers for experienced | Live Mock | coding interview

This Live java mock interview contains variety of interview questions from java, micro services, web services, spring, hibernate and restful web services. Candidate Info : Name: Akhil Nibber Profile : Java Developer Years Of Experience : 5+ Work Location : Virginia,US Key skills : Java, Microservices ,, Spring, Restful Webservices ,Hibernate Insta : https://www.instagram.com/akhil_nibber/ Watch next mock : (Hibernate / JPA) https://youtu.be/-lsFW9Wp2Y0 Question Timestamp : 00:00:00- Introduction 00:03:12 - Q1. @component vs @service vs @repository 00:04:12 - Q2. What will happen if you will use @service over a DAO? 00:06:40 - Q3.Explain spring Bean Lifecycle 00:11:05 - Q4.how you will call the @Predestory marked methods in the standalone application. 00:16:58 - Q5.Explain the helper class that initializes and destroys the web application context. 00:18:40 - Q6. What are the RestClients you have used in your project? 00:20:10 - Q7.getForEntity() vs postForEntity() 00:21:19 - Q8. What are the uses of ResponseEntity? 00:22:10 - 09. What should be the delete API method status code? 00:22:20 - Q10. Why should you handle response timeout while calling any API? 00:25:10 - Q11. Explain the differences between Server timeout and Read timeout. 00:25:40 - Q12. What is versioning in Rest? what are the ways that you can use to implement versioning? 00:26:56 - Q13. How does Basic Authentication work in Rest API? 00:30:08 - Q14. Should you use JWT or Session-based authentication in the microservices environment? 00:34:18 - Q15. What is content negotiation? 00:35:31 - Q16. What are the cross-cutting concerns in spring? how do you implement it in microservices architecture? 00:37:12 - Q17. How to create custom validators in spring? 00:38:19 - Q18.core java interview questions and answers for experienced 00:38:22 - Q19. How hashmap works internally? 00:32:50 - Q20. List vs Set 00:40:30- Q21. java interview questions coding 00:40:56- Q22. ArrayList Internal coding hands-on questions 00:43:14- Q23. Collection coding interview questions java 00:44:26 - Q24. defining the constructor capacity in Arraylist increases performance? 00:46:00 - Q25. How Arraylist works internally? 00:50:14- Q26. Difference between fail fast/fail safe collections 00:52:16 - Q27. Which types of collections consume more memory; fail-fast or fail-safe? 00:53:03 - Q28. core java coding questions in collection iterator. 00:57:45 - Q29. Can you modify the collection return by Arrays.asList()? 01:01:45 - Q30. Questions on ConcurrentModificationException and CopyOnWriteArrayList. 01:04:40 - Q31. Explain the Signleton design pattern. How spring's singleton scope is different then GOF signleton? 01:08:50 - Q32. Give me a code walkthrough on the spring security internal workflow 01:16:14 - Thank you What will happen if you will use @service over a DAO? Learn in-depth :- https://youtu.be/CUQWZHjuq-w Q1. @component vs @service vs @repository https://youtu.be/G39Z3J_6lKY Q3.Explain spring Bean Lifecycle Q4.how you will call the @Predestory marked methods in the standalone application. https://youtu.be/hUYGGqoXEPc Q13. How does Basic Authentication work in Rest API? https://youtu.be/L-pfk5wkNbI Q17. How to create custom validators in spring? https://youtu.be/aNpJGvFR5uI Q19. How hashmap works internally? https://www.youtube.com/watch?v=CojCE-ojdGY&list=PL3NrzZBjk6m9do1opOKwx_C7d2HRJzpwG Q20. List vs Set Vs Vector (in-depth collection interview questions discussion) https://youtu.be/GEzDJg8mlzk Q23. Collection coding interview questions java Print duplicate occurrences of string in java https://www.youtube.com/watch?v=2PlWhcLi1JQ&t=107s Q31. Explain the Signleton design pattern. How spring's singleton scope is different then GOF signleton? (Spring bean scope) https://youtu.be/xpKbs8FHUi4 01:08:50 - Q32. Give me a code walkthrough on the spring security internal workflow https://youtu.be/u8fAxGCrqPA #javainterviewquestionsandanswers Category : Java interview questions and answers for experienced spring interview questions java interview questions coding Useful playlist : spring core https://www.youtube.com/watch?v=r2Q0Jzl2qMQ&list=PL3NrzZBjk6m-nYX072dSaGfyCJ59Q5TEi spring mvc https://www.youtube.com/watch?v=zCHrZdJODg4&list=PL3NrzZBjk6m-OSeL3DRMD_ISa0u-9c1l1 spring mvc intermediate https://www.youtube.com/watch?v=40YaLHbrwrY&list=PL3NrzZBjk6m_2jw8sC0BkEwSPFHxgQDWr Spring JDBC https://www.youtube.com/watch?v=5j_vh1b9dV8&list=PL3NrzZBjk6m-rYTKze-5Y5RvU8eykal4j spring live project https://www.youtube.com/watch?v=m_b_FwDjAXM&list=PL3NrzZBjk6m-9CVPueDLLermojwtfuW_f For more free/paid courses visit https://www.seleniumexpress.com Email : [email protected] FB:https://www.facebook.com/seleniumexpress Make sure to join my private Facebook page (Ask me here) “SeleniumExpress - Support" https://www.facebook.com/groups/187000222361579/ Follow me on Insta https://www.instagram.com/selenium_express/