Reverie Language Technologies Mern Full Stack Developer Interview Questions and Answers

I was asked 4-5 questions of generic aptitude questions in the span of 20-25 minutes. The questions was basic maths and pattern identification for the most part. 1 time and work question.

Q1. Explain joins in SQL
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• ...read more
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Q2. What are object and class in OOPs?
Ans. 
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
• Objects are instances of classes

• Classes are blueprints for creating objects

• Classes define attributes and methods for objects

• Example: Class 'Car' with attributes like 'color' and methods like 'drive'
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Q1. Round 1 techical . You will be asked basics questions on the technologies u worked, Basics java, SQL, Kafka etc
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Q1. Round 2 is techical and coding I was asked group anagram question.
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Q1. Basic managerial round . After this they told they will get back to me and they finally ghosted me.
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Simple code based test

Dbms questions and javascripy

Q1. Java SB, Kafka, MySQL
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Java, multi threading, singleton

Q1. Why should we hire you
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Q2. Exected ctc for job role
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Q1. Tell me something about your self ?
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Q2. What are your strengths?
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Q3. Why are you interested in this job?
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Q1. Implement tail f
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