Sr Java Developer Interview Questions

5,575 sr java developer interview questions shared by candidates

Telephonic interview. Just bombarded with questions. -interface vs abstract class -Map vs set -Rest api methods -java 8 features -continuous integration -dependency injection -sorting an object -comparable interface -hashcode vs equals
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Senior Java Developer

Interviewed at CGI

3.7
Jun 19, 2018

Telephonic interview. Just bombarded with questions. -interface vs abstract class -Map vs set -Rest api methods -java 8 features -continuous integration -dependency injection -sorting an object -comparable interface -hashcode vs equals

Stream programs, Java 8 (most questions were from here), multithreading(important), executor service, spring boot annotations, microservices: service registry, pom.xml dependencies, difference between post and put, collections: concurrent hashmap and hashmap difference and internal functioning. Stream program to find index of largest element, find the occurance of each number using stream.
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Senior Java Developer

Interviewed at Bounteous x Accolite

3.4
Mar 7, 2025

Stream programs, Java 8 (most questions were from here), multithreading(important), executor service, spring boot annotations, microservices: service registry, pom.xml dependencies, difference between post and put, collections: concurrent hashmap and hashmap difference and internal functioning. Stream program to find index of largest element, find the occurance of each number using stream.

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