EVRY India Software Engineer Interview Questions and Answers

Q1. Intall Mongo Db and perform crud operation
Add your answer
Q2. Dsa question asked to complete in javascrip
Add your answer

Q1. Basics of Java OOPS
Add your answer

Q1. You have a list of numbers, now using stream api calculate the sum of all integers in a list ?
Ans. 
Use stream api to calculate sum of integers in a list.
• Use stream() method on the list to create a stream of elements.

• Use mapToInt() method to convert each element to an integer.

• Use sum() method to calculate the sum of all integers.
Answered by AI
View 1 more answer
Q2. Given two arrays of integers, find the one extra element in second array ? Eg. int[] arr1 = [1,3,7,8]; int[] arr2 = [3,8,7,9,1];
Ans. 
Loop through both arrays and use a hashmap to store frequency of elements, then find the extra element.
• Loop through both arrays and store frequency of elements in a hashmap

• Compare the frequency of elements in both arrays to find the extra element

• Return the extra element found in the second array
Answered by AI
View 1 more answer

Q1. Write a program Binary Search?
Ans. 
Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the middle index and compare the target value with the middle element.

• If the target value is less than the middle element, search the left subarray. If greater, search the right subarray.

• Repeat the process until the target value is found or the s
Answered by AI
View 1 more answer
Q2. What isCICD flow?
Ans. 
CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.
• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code c...read more
Answered by AI
View 1 more answer
Q3. How to handle Enum feature?
Ans. 
Enums are a feature in programming languages that allow you to define a set of named constants.
• Enums can be used to improve code readability by giving meaningful names to values

• Enums can be used in switch statements to handle different cases

• Enums can have associated values or raw values for more flexibility
Answered by AI
Add your answer
Q4. Singleton handles the Syncronized ?
Ans. 
Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.
• Singleton pattern restricts the instantiation of a class to one object.

• It provides a global point of access to the instance.

• Synchronization can be implemented in the Singleton pattern to ensure thread safety.

• Example: Singleton pattern is commonly used in database connections to ensure
Answered by AI
Add your answer
Q5. What are external Libraries are used in project?
Ans. 
External libraries are pre-written code that can be imported and used in a project to provide additional functionality.
• External libraries help in reducing development time by providing ready-made solutions for common tasks.

• Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.
Answered by AI
Add your answer

Q1. Basic questions from oops, collections and springboot, basic queries.
Add your answer

Q1. Basics about big data tools. Use case on Pyspark. How to add the new column and what is AQE benefits and Delta table optimisation tenchiques.
Add your answer
Q2. Basics about Azure resources like ADF, Azure Databricks. Explained the project architecture and sone questions on that.
Add your answer
Q3. Pyspark optimisation techniques explain and write scd type 2 sample code.
Ans. 
Optimisation techniques in Pyspark and sample code for SCD type 2
• Use broadcast variables to reduce data shuffling

• Partition data based on key columns to improve performance

• Use cache() or persist() to avoid recomputing data

• Use coalesce() or repartition() to reduce the number of partitions

• For SCD type 2, use merge() function to update or insert new records

• Example code for SCD type 2: https://github.com/awantik/pyspark-101
Answered by AI
Add your answer

Q1. How huge data your are working? What are toughest problem you faced and resolved it ?
Ans. 
I have worked with huge data sets in the past.
• I have experience working with data sets ranging from a few gigabytes to several terabytes.

• One of the toughest problems I faced was optimizing a query that was taking too long to execute.

• I resolved it by analyzing the query plan and identifying the bottleneck, then optimizing the query accordingly.

• Another challenge I faced was dealing with data inconsistencies, which I reso...read more
Answered by AI
Add your answer
Q2. Explain you project architecture ? Show some sample codes of the same.
Ans. 
Our project architecture follows a microservices approach with containerization using Docker and orchestration with Kubernetes.
• We have divided our application into smaller, independent services that communicate with each other through APIs.

• Each service is containerized using Docker, allowing for easy deployment and scaling.

• We use Kubernetes for orchestration, which automates the deployment, scaling, and management of o...read more
Answered by AI
Add your answer

Q1. Compensation decision and clear your doubts regarding organisation.
Add your answer

All multiple choices consisting of code output based questions and logical reasoning

Q1. All about project
Add your answer
Q2. Explain in detail about your project
Add your answer