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Rocketlane Backend Java Developer Interview Questions and Answers
Rocketlane Backend Java Developer Interview Experiences
1 interview found
I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.
(4 Questions)
- Q1. Basic questions on Java - Collections, Object Class
- Q2. Basic questions on REST - Various HTTP methods, Difference between PUT and PATCH
- Q3. Give deets about the project mentioned on the resume
- Ans.
The project mentioned on the resume is a web application for managing inventory and sales.
Developed using Java and Spring framework
Implemented RESTful APIs for CRUD operations
Integrated with a relational database for data storage
Implemented authentication and authorization using Spring Security
Used front-end technologies like HTML, CSS, and JavaScript for the user interface
- Q4. Why do you want to switch
- Ans.
I want to switch because I am looking for new challenges and opportunities to grow as a backend Java developer.
Seeking new challenges and opportunities
Wanting to expand my skills and knowledge as a backend Java developer
Looking for a company with a strong backend development team
Desire to work on larger and more complex projects
Wanting to contribute to the development of innovative solutions
Platform - HR
Question - Sort array based on frequency and then value
REST - Various HTTP methods, Idempotency
Java - Threading, Diamond Problem
OOP - Abstract class vs Interface - when to use what and why
What is a cache and why do we use it
What happens when you enter a URL in the browser
Interview Preparation Tips
- Java
- Backend
- Rest
- System Design
- OOP
You should know everything you've mentioned in your resume
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Software Developer Interview Questions & Answers
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Divyansh Gothwal
posted on 27 Jan 2017
I appeared for an interview in Dec 2016.
Interview Questionnaire
1 Question
- Q1. Tell me about yourself tell me about your internship My interview was unstructured(i.e based on your reply interviewer was asking Questions)
Interview Preparation Tips
Experience: Questions were very difficult and solving one Question gets you shortlisted for interview
I don't remember the Questions
Duration: 1 hour 30 minutes
Total Questions: 2
Skills: Internship Work, Inter Person Communication Skills
College Name: IIT Roorkee
I applied via Campus Placement and was interviewed in Jul 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. What is the polymorphism?
- Ans.
Polymorphism is the ability of an object to take on many forms.
Polymorphism allows objects to be treated as if they are of multiple types.
It enables code to be written that can work with objects of different classes in a uniform way.
Polymorphism can be achieved through method overloading or method overriding.
Example: A shape class can have multiple subclasses like circle, square, triangle, etc. and all can be treated a...
- Q2. What is inheritance?
- Ans.
Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.
Inheritance allows for code reuse and promotes code organization.
The existing class is called the parent or superclass, and the new class is called the child or subclass.
The child class inherits all the properties and methods of the parent class, and can also add new properties and method...
Interview Preparation Tips
Selected
Mangaer asked me to integrate an api
(1 Question)
- Q1. Salary negotions was done on the second round
Interview Preparation Tips
sarthak pant
I applied via Campus Placement
Its was data structure and algorithm and SQL round 4 question of dsa and 2 question of sql
(1 Question)
- Q1. How does OTP less work make a systematic diagram for it/
- Ans.
OTP less work eliminates the need for one-time passwords for authentication.
OTP less work uses alternative methods like biometrics, push notifications, or hardware tokens for authentication.
It provides a more seamless and user-friendly authentication experience.
Examples include fingerprint scanning on smartphones or security keys for two-factor authentication.
(1 Question)
- Q1. Everything related to yourself.
Selected
I applied via Referral and was interviewed in Jan 2024. There were 4 interview rounds.
Machine Coding of Google Calendar
Machine Coding of MP3 Player
(1 Question)
- Q1. Find Duplicates problem
- Ans.
Find duplicates in an array of strings
Iterate through the array and store each element in a hash set
If an element is already in the hash set, it is a duplicate
Return a list of all duplicates found
(1 Question)
- Q1. Why Simpl? and compensation
- Ans.
Simpl offers a collaborative and innovative work environment with competitive compensation.
Simpl values teamwork and creativity in software development
Competitive compensation package offered to attract top talent
Opportunities for growth and learning through challenging projects
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.
3 Coding question medium level
(1 Question)
- Q1. Asked 3 coding queston and some basis CS questions
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Jan 2024. There were 3 interview rounds.
Aptitude test was simple.
(1 Question)
- Q1. Asked 2 questions from recursion.
(1 Question)
- Q1. Simple HR round.
Vansh Jaishwal
Selected
I applied via Campus Placement and was interviewed before Sep 2022. There were 4 interview rounds.
Question from Array,DP
(3 Questions)
- Q1. Resume based only
- Q2. Data structure and algorithms
- Q3. Object oriented programmings
(1 Question)
- Q1. Behavioural questions
Chandan Abhishek
(2 Questions)
- Q1. Basic resume based questions
- Q2. Explain your internship experience
(1 Question)
- Q1. Basic resume based questions
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