Enovate IT Outsourcing Mern Full Stack Developer Interview Questions and Answers

Q1. Context api, js related qstns, simple programming qstn,
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Q2. Remove duplicates without using set.
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Q1. What are microservices according to you?
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Microservices are a software development technique where an application is divided into smaller, independent services that communicate with each other through APIs.
• Microservices are small, independent services that focus on specific business functions.

• Each microservice can be developed, deployed, and scaled independently.

• Microservices communicate with each other through APIs, typically using lightweight protocols like ...read more
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Q2. Explain Microservices Architecture used in your project
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Microservices architecture is a design approach where a single application is composed of small, independent services that communicate with each other.
• Each microservice is responsible for a specific business function or capability

• Microservices communicate with each other through APIs

• Each microservice can be developed, deployed, and scaled independently

• Microservices architecture promotes flexibility, scalability, and re
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Q3. How are 4-5 microservices connected in rest api's? which technique you are using?
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Microservices are connected in REST APIs using communication protocols like HTTP, messaging queues, and service discovery.
• Microservices communicate with each other using HTTP requests and responses.

• Messaging queues like RabbitMQ or Kafka can be used for asynchronous communication between microservices.

• Service discovery tools like Eureka or Consul help in locating and connecting to different microservices.

• API Gateway ca...read more
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Q4. Coding question - 1. Create a immutable class of orders. What happens when two objects are created out of it. 2.Using the immutable orders create a set of orders and how will you sort these out. 3.Given ...read more
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Creating immutable class of orders, sorting orders, finding average of lists of integers.
• Create an immutable class Orders with private final fields and no setter methods.

• Override equals() and hashCode() methods to ensure uniqueness of objects.

• Use Collections.unmodifiableSet() to create a set of orders and Collections.sort() to sort them.

• Iterate through the List of List of String of integers, convert to integers, and ca
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Q1. Explain Spring Cloud and how you are using in microservices?
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Spring Cloud is a set of tools and frameworks for building cloud-native applications in Java.
• Spring Cloud provides tools for service discovery, load balancing, configuration management, and more in microservices architecture.

• It includes projects like Eureka for service discovery, Ribbon for client-side load balancing, and Config Server for externalized configuration.

• Spring Cloud integrates with Spring Boot to simplify ...read more
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Q2. Explain your deployment build config?
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Deployment build config includes settings for deploying the application.
• Use tools like Maven or Gradle to manage dependencies and build the project

• Specify deployment environment configurations in a separate file (e.g. application.properties)

• Define build scripts for tasks like compiling, packaging, and deploying the application

• Leverage CI/CD pipelines for automated builds and deployments
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Q1. Explain your project?
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Q2. Your expectations from the company
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Given a project, you need to create logic for a service using helpers and finally give a aggregate of the final converted price .

Given few java 8 programming functions, you need to convert them to respective java 11 functions

On campus aptitude test

Q1. About oops concepts and java questions
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Q1. Discussion about location and why virtusa
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Quantitative , figure ,mcq question based on tech stack and 2 coding question which are basic. 90 minute time limit.

Q1. Angular question
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Q2. .net question and sql question
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Q1. Duplicate value in a array
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Finding duplicate values 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 the duplicate values found
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Q1. Generators In Javascript
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Generators in JavaScript are functions that can be paused and resumed, allowing for asynchronous programming.
• Generators are defined using function* syntax.

• They use the yield keyword to pause execution and return a value.

• Generators can be iterated over using a for...of loop.

• They are commonly used for asynchronous operations and managing state.
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Q2. Flatten a array without using inbuild functions
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Flatten an array without using inbuilt functions
• Create a recursive function to iterate through the array elements

• Check if each element is an array, if so, call the function recursively

• Concatenate the elements into a new array
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Regarding To My Full Stack

Regarding To My Full Stack

Q1. What Is Python And Discuss With Some Questions
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Q2. In that Case Studies
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Easy online test with basic coding questions and one coding problem

Q1. Palindrome code
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Q2. Oops concept and database questions
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Q1. Hibernate internal working
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Q2. Group BY in DBMS
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