EASEBUZZ Full Stack Developer Interview Questions and Answers

Questions were based on basic aptitude like seating arrangement

Q1. Basic oops concepts
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Q2. SQL questions like triggers and creating an SQL table etc
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Q1. Coding like arrays basic codes like reversing an array
Ans. 
Reversing an array involves swapping elements from both ends towards the center.
• Use a loop to iterate from the start to the middle of the array.

• Swap the elements at the current index and its corresponding index from the end.

• Example: For array ['a', 'b', 'c'], after reversing it becomes ['c', 'b', 'a'].
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Q1. Basic oops concepts and our projects
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Q2. Basic strucutes of oops concpts and micro services
Ans. 
OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction. Microservices are small, independent services that communicate with each other.
• OOPs concepts help in creating modular and reusable code.

• Encapsulation ensures that data is hidden and can only be accessed through defined methods.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Polymorphism allows objects to ta...read more
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Q1. How much was your previous in hand salary?
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Q2. How far do you stay from the office, during nights if needed can you come on your own during any critical situation (Note: I'm a woman)?
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Q3. Are you ok with 40% less in-hand pay from your previous job in Banglore, since you're getting to stay in your hometown and your expenses will be less here?
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Q4. Are you married? Do you have children? What does your husband do? How long are you planning to stay in Bhubaneswar?
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Q5. Are you ok with an employment bond of 24 months with a probation period of 12 months
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Q1. What are different modules of node js?
Ans. 
Node.js has several core modules that provide essential functionality for building applications.
• HTTP: Allows Node.js to transfer data over the Hyper Text Transfer Protocol (HTTP)

• FS: Provides file system operations like reading and writing files

• OS: Gives information about the operating system on which Node.js is running

• Path: Helps in working with file and directory paths

• Events: Allows to handle events in Node.js applica...read more
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Q2. Difference between angular and node js
Ans. 
Angular is a front-end framework for building client-side applications, while Node.js is a back-end runtime environment for running server-side applications.
• Angular is used for building dynamic web applications with HTML, CSS, and TypeScript.

• Node.js is used for server-side scripting and building scalable network applications.

• Angular is a front-end framework developed and maintained by Google.

• Node.js is a back-end runti...read more
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Q3. Difference between process.nextTick( ) and setImmediate( )
Ans. 
process.nextTick() is called before any I/O events, while setImmediate() is called after I/O events.
• process.nextTick() is called at the end of the current event loop cycle, before any I/O events.

• setImmediate() is called at the beginning of the next event loop cycle, after I/O events.

• Use process.nextTick() for executing code asynchronously but as soon as possible.

• Use setImmediate() for executing code asynchronously afte...read more
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Q4. How to implement async in node js
Ans. 
Async in Node.js can be implemented using callbacks, promises, or async/await.
• Use callbacks to handle asynchronous operations in Node.js

• Promises can be used for cleaner asynchronous code

• Async/await provides a more synchronous way to write asynchronous code
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Q5. General operations of Casendra CQL
Ans. 
Casendra CQL is a query language used for general operations in Casendra database.
• Casendra CQL is similar to SQL but optimized for Cassandra database

• It supports CRUD operations (Create, Read, Update, Delete)

• It allows for filtering, sorting, and aggregating data

• Example: SELECT * FROM table_name WHERE column_name = value;
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Q6. Characteristics of column family
Ans. 
Column family is a data model used in NoSQL databases to store related data together.
• Used in NoSQL databases like Apache Cassandra

• Consists of rows and columns

• Columns are grouped together and stored on disk sequentially

• Supports wide rows and dynamic columns

• Example: In a social media application, a column family could store user profiles with columns for name, age, and location
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Q1. CEO asked to turn on camera. Asked if i'm married (i'm a woman), the interview was scheduled for 10;30pm in the night. Asked me not to be so formal and treat him like a friend and be casual. I suspect he w...read more
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Q1. Explain about yourself?
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• I have a Bachelor's degree in Computer Science from XYZ University.

• I have worked on developing web applications using Java Spring framework.

• I am proficient in writing complex SQL queries for database management.

• I have experience in developing automation scripts using Python.
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Q2. What is OOP'S Concept in Java?
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MCQ on programing. Easy peasy.

Round duration - 90 minutes
Round difficulty - Medium

Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.

Q1. 
Find the Third Greatest Element
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
Input:
The first line contains a single integer 'T' representing the numb...read more
Ans. 
Find the third largest element in an array of distinct integers.
• Sort the array in descending order and return the element at index 2.

• Handle cases where the array has less than 3 elements separately.

• Use a set to store distinct elements for efficient processing.
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Q2. 
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The task is to find the longest palindromic substring within STR. If there are several palindromic substring...read more
Ans. 
Find the longest palindromic substring in a given string.
• Iterate through the string and expand around each character to find palindromes

• Keep track of the longest palindrome found so far

• Return the longest palindromic substring
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Q3. 
Ninja and Geometry Problem Statement
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...read more
Ans. 
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
• Implement a function to calculate the intersection point of two lines on a 2D plane

• Handle precision up to six decimal places in the output

• Return -1.000000 -1.000000 if the lines do not intersect

• Ensure the lines 'AB' and 'PQ' are distinct
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Round duration - 90 minutes
Round difficulty - Medium

Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.

Q1. 
Find the Third Greatest Element
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
Input:
The first line contains a single integer 'T' representing the numb...read more
Ans. 
Find the third largest element in an array of distinct integers.
• Sort the array in descending order and return the element at index 2.

• Handle cases where there are less than 3 elements in the array.

• Consider edge cases like negative integers and duplicates.
Answered by AI
Add your answer
Q2. 
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...read more
Ans. 
Identify the longest palindromic substring in a given string.
• Iterate through each character in the string and expand around it to find palindromes

• Keep track of the longest palindrome found so far

• Return the longest palindromic substring with the smallest start index
Answered by AI
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Q3. 
Ninja and Geometry Problem Statement
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...read more
Ans. 
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
• Implement a function to calculate the intersection point of two lines on a 2D plane

• Handle precision up to six decimal places in the output

• Return -1.000000 -1.000000 if the lines do not intersect

• Ensure the lines 'AB' and 'PQ' are distinct
Answered by AI
Add your answer