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Associate Engineer
Bristle Cone
1 rounds | 1 Coding
problems
Rejected
Interview preparation journey
Journey
I focused on strengthening my core Java skills, including OOP concepts, collections, thread safety, and annotations. I practiced SQL queries extensively and learned to implement applications using Spring Boot. Alongside theoretical study, I worked on coding exercises and small projects to apply these concepts in real-world scenarios, ensuring a well-rounded preparation for the role.
Preparation
Topics: Core Java (OOPs, Collections, Thread Safety, Annotations), SQL queries, and Spring Boot
Application process
Where: Coding Ninjas Placement Cell
Eligibility: Bachelor’s or Master’s Degree
Interview rounds
01
Round
Easy
Online Coding Interview
Duration
Interview date15 Apr 2025
Coding problem1
1. Java and Spring Boot Core Concepts
What is a concurrent HashSet?
What is the difference between HashSet and HashMap in Java?
What are the annotations used in Spring Boot?
What is the difference between .equals() and == in respect to strings?
How many null values can be stored in an ArrayList?
What is Java Collections?
What is Spring Dependency?
Java project-based questions.
What is the difference between MongoDB and a SQL-based database?
How will you manage user authenticity?
How will you use Spring for the backend?
What is method overriding, and what are the possible ways to override a method?
What is method overloading?
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
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