Sr Systems Engineer Interview Questions

2,553 sr systems engineer interview questions shared by candidates

1. Diff b/w Abstract & Interface? 2.Class cannot override any other class? how? 3.Integer a = new Integer(null); What will be the o/p? 4.Diff b/w throw & throws? 5.Write a program reverse a string without using reverse function? 6.Write a program to remove duplicate element in a list by java program? 7.Dependency Injection 8.First level cache & Second level Cache in Spring 9.Overriding method with program 10.Sort the salary in Emp table by using Comparable 11.Name of hibernate configuration file 12.Singleton Example 13. Exception catch{} finally{} works without using try {} 14. SQL Query...
avatar

Senior Systems Engineer

Interviewed at Infosys

3.6
Jan 4, 2016

1. Diff b/w Abstract & Interface? 2.Class cannot override any other class? how? 3.Integer a = new Integer(null); What will be the o/p? 4.Diff b/w throw & throws? 5.Write a program reverse a string without using reverse function? 6.Write a program to remove duplicate element in a list by java program? 7.Dependency Injection 8.First level cache & Second level Cache in Spring 9.Overriding method with program 10.Sort the salary in Emp table by using Comparable 11.Name of hibernate configuration file 12.Singleton Example 13. Exception catch{} finally{} works without using try {} 14. SQL Query...

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.
avatar

Senior Systems Engineer

Interviewed at Capgemini

4.2
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.

Viewing 151 - 160 interview questions

Glassdoor has 2,553 interview questions and reports from Sr systems engineer interviews. Prepare for your interview. Get hired. Love your job.