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Software Engineer Senior Java Developer Interview Questions
1,895 software engineer senior java developer interview questions shared by candidates
Eager and Lazy loading concept andprovide implementation code. Gave one scenario and asked to explain what will happen if we use eager and lazy loading in that code
String, strin builder,stringbuffer explain Write SQL query
Kafka related questions, Microservices AWS
Write a program to implement heap sort.
How linkedList works and what is stack vs heap?
Reverse a string, find second highest salary
HR Round Questions: 1. When did you complete your B.E.? 2. Graduation year? 3. When did you complete your 12th? 4. Why there is year gap? Was there any back log during your? 5. Do you have any Java certficate? If no then please leave you are rejected. 6. We don't accept one who have backlogs in any year during graduation, if you have any back log during any year of graduation then please leave you are not selected for next Technical Round. Technical Round Questions: 1. What are four pillars of OOPS 2. Give me Real life example of Polymorphism 3. What is difference between Abstract class and Interface. 4. Can we have multi level inheritance in Java 5. What is difference between composition and inheritance 6. What is exception handing 7. What is difference between throw and throws 8. Can we have multiple try block 9. When is memory allocated, when class is created or instance is created or when it is? 10. What is stack 11. What is queue 12. Difference between stack and heap 13. Asked what will you use for debugging other than print statements 14. Difference between error and exception 15. Other than inheritance what you will use to connect to classes? 16. What are Access Modifiers in Java? 17. What is protected? 18. Can subclass access private methods parent class? 19. Can subclass inherit the properties of Parent class if we not load parent class constructor inside subclass? 20. Can class be private? 21. What are collections? 22. What are different types of collections? 23. Difference between array and heap? 24. Can we add duplicates to Set? 25. Can we add duplicates to Array? He asked me to write a program to check whether string was Palindrome or not? Later he asked me some nonsense questions which he himself was not understanding, for those questions I tried my best level to give the information. This Technical Round was of 80 to 90 minutes long. Didn't given 3rd round, so sorry I dont know any questions of it.
Inheritance, agile methods, rest api question.
Java Streams, OOPS Concepts, Abstract Class, Interface, Internal workings of Collections
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