Sr Java Entwickler Interview Questions

411 sr java entwickler interview questions shared by candidates

What are the oops concepts you have used? What is abstraction? Difference between abstraction and interface. Explain with real life example. Can we change the dispatcher servlet's XML making file name? How to debug a JavaScript? Spring MVC flow. What is a controller? Where and how is the request mapped? What is serializable, what care needs to be taken if you serialize a class? What care needs to be taken to convert an object to be serializable? Saving part as well, what streams need to be used?
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Senior Software Engineer (Java)

Interviewed at Cognizant

4
Dec 28, 2015

What are the oops concepts you have used? What is abstraction? Difference between abstraction and interface. Explain with real life example. Can we change the dispatcher servlet's XML making file name? How to debug a JavaScript? Spring MVC flow. What is a controller? Where and how is the request mapped? What is serializable, what care needs to be taken if you serialize a class? What care needs to be taken to convert an object to be serializable? Saving part as well, what streams need to be used?

How Do you implement observer design pattern? Which design patterns do you know? Which are the collections interfaces? Given the fibonacci sequence array, sort the array with all the odd numbers at the begining and the non even numbers at the end. Don’t use any temp array.
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Senior Java Software Engineer

Interviewed at EPAM Systems

4
Aug 11, 2021

How Do you implement observer design pattern? Which design patterns do you know? Which are the collections interfaces? Given the fibonacci sequence array, sort the array with all the odd numbers at the begining and the non even numbers at the end. Don’t use any temp array.

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