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Senior Systems Engineer Interview Questions

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2,548 senior systems engineer interview questions shared by candidates

L1 interview questions : 1. OOPS features 2. Differnce between abstraction and encasulation 3. How to make class readonly/write only. 4. Why use charArray over string for storing pwd. 5. Overrriding and overloading related questions(static , final methods can be overloaded or overridded) 6. Difference between map and flat map 7. Difference between hashmap and concurrent hashmap 8. Internal working for hashmap. Collision? 9. Hashmap ehancements in java 8. 10. what is concurrent modification exception. 11. What is consumer interface and predicate functions in java 8 12. difference between web applications and Rest applications 13. qualifier annotation. 14. Requestparam and Pathvariable annotation. 15. Httpstatus and http methods 16. diffference between get and post methods L2 interview questions : 1. Coding question display count of String values using java 8 2. Sort a list of employees using java 8 3. Type of Autowiring 4. Difference between query param and request param 5. How microservices communicate 6. Design patterns used - difference between factory and abstract factory design patterns.
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Senior Systems Engineer

Interviewed at Capgemini

4.1★
Sep 1, 2023

L1 interview questions : 1. OOPS features 2. Differnce between abstraction and encasulation 3. How to make class readonly/write only. 4. Why use charArray over string for storing pwd. 5. Overrriding and overloading related questions(static , final methods can be overloaded or overridded) 6. Difference between map and flat map 7. Difference between hashmap and concurrent hashmap 8. Internal working for hashmap. Collision? 9. Hashmap ehancements in java 8. 10. what is concurrent modification exception. 11. What is consumer interface and predicate functions in java 8 12. difference between web applications and Rest applications 13. qualifier annotation. 14. Requestparam and Pathvariable annotation. 15. Httpstatus and http methods 16. diffference between get and post methods L2 interview questions : 1. Coding question display count of String values using java 8 2. Sort a list of employees using java 8 3. Type of Autowiring 4. Difference between query param and request param 5. How microservices communicate 6. Design patterns used - difference between factory and abstract factory design patterns.

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