Skip to contentSkip to footer

Senior Java Developer Tech Lead Interview Questions

Salaries
Interviews

5,580 senior java developer tech lead 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?
avatar

Senior Software Engineer (Java)

Interviewed at Cognizant

3.5★
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?

*Count number of 1's in a binary sorted array, alternate way using collections(Think of frequency) *Array list to hash map using streams based on some filter. *How doubly linked list is implemented in java *Difference between set and list *Given order id quantity and country find max of quantity by country-Think of some basic sql
avatar

Senior Java Developer/Lead

Interviewed at Altimetrik

3.9★
Sep 28, 2019

*Count number of 1's in a binary sorted array, alternate way using collections(Think of frequency) *Array list to hash map using streams based on some filter. *How doubly linked list is implemented in java *Difference between set and list *Given order id quantity and country find max of quantity by country-Think of some basic sql

Viewing 1521 - 1530 interview questions

Glassdoor has 5,580 interview questions and reports from Senior java developer tech lead interviews. Prepare for your interview. Get hired. Love your job.