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Jr Java Developer Interview Questions

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3,801 jr java developer interview questions shared by candidates

1st Round : He asked almost every concept from java spring and coding 1 . internal implementation of HashMap 2 . Implementation of LRU cache 3 . what is inversion of control 4 . What is Transactional annotation , he defined two defined method1 and method2 and written @transactional annotation on method2 and written 4 queries inside method2 and if exception occurred at execution of query2 then in this case query 1 will rollback or not 5 . what is IOC container ? 6 . A database query based on group by 7 . How to find latecy in API 8 . Types of Microservices
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Jr. Java developer

Interviewed at CARS24.com

4.3★
Oct 17, 2023

1st Round : He asked almost every concept from java spring and coding 1 . internal implementation of HashMap 2 . Implementation of LRU cache 3 . what is inversion of control 4 . What is Transactional annotation , he defined two defined method1 and method2 and written @transactional annotation on method2 and written 4 queries inside method2 and if exception occurred at execution of query2 then in this case query 1 will rollback or not 5 . what is IOC container ? 6 . A database query based on group by 7 . How to find latecy in API 8 . Types of Microservices

Write the commands to create directories for music, movies and photos. Move all files that end with .mp3 to the music folder, all files that end with .mov to the movie folder and all files that end with .jpg to the photos folder. Delete all files that end with .log.
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Junior Java Developer

Interviewed at Prime IT

3.7★
Jun 18, 2024

Write the commands to create directories for music, movies and photos. Move all files that end with .mp3 to the music folder, all files that end with .mov to the movie folder and all files that end with .jpg to the photos folder. Delete all files that end with .log.

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