Page Industries Software Engineer Interview Questions and Answers

Q1. Spring Boot annotations related question
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Q2. Java 8 advantages
Ans. 
Java 8 introduced several new features and improvements, including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow for more concise and readable code.

• Functional interfaces enable the use of lambda expressions.

• Streams provide a way to work with collections in a more functional style.

• Default methods allow interfaces to have method implementations.
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Q1. Questions on microservices
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Q2. Types of HTTP methods, what is idempotency in rest api
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HTTP methods include GET, POST, PUT, DELETE, PATCH. Idempotency in REST API means multiple identical requests have the same effect as a single request.
• HTTP methods: GET, POST, PUT, DELETE, PATCH

• Idempotency in REST API: Multiple identical requests have the same effect as a single request

• Example: GET and PUT are idempotent as they do not change the state of the server with multiple identical requests
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Q1. Java 8 related programming
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Q2. Data Structures
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Q1. Techno Managerial around
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Q1. Recreate the array's concat function.
Ans. 
Recreate the concat function for arrays of strings.
• Create a new array to store the concatenated strings.

• Loop through each element in the input arrays and add them to the new array.

• Return the new concatenated array.
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Q2. Getting a response from a promise.
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Create a react component to load an image from an HTTP request with error handling.

Q1. Most of the questions are from Cloud. The different applications you have worked on the cloud, code quality. How you will secure your cloud application? How to set up cloud infra solutions for the produc...read more
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Q1. This was a bit technical come business interview. 1. How you will handle the business scenarios in your application? 2. Customer-centric questions. 3. How your application brings value to the customer. ...read more
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Q1. This is was country head and hr. Experience, Area of Interest, Salary discussion
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Q1. Why do you want to join H&M?
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Q2. What are your roles and responsibilities?
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Q1. Solutioning for a high performant event driver microservice.
Ans. 
To create a high performant event driver microservice, we need to focus on efficient event handling and scalability.
• Use asynchronous event-driven architecture

• Choose a lightweight and efficient framework like Node.js or Go

• Implement caching and load balancing techniques

• Optimize database queries and use NoSQL databases for faster data retrieval

• Use containerization and orchestration tools like Docker and Kubernetes for sca...read more
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Q1. Reason for leaving the current job
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Q2. Problem statement where in you have to use Azure/Azure functions to solve it.
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Q1. How did you solve a business problem with an innovative idea?
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Q2. What is that one factor which would make you choose H&M over any other company?
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Q1. DAX functions used in power bi
Ans. 
DAX functions are used in Power BI for data analysis and calculations.
• DAX functions are used to create calculated columns, measures, and tables in Power BI.

• Common DAX functions include SUM, AVERAGE, COUNT, MAX, MIN, and CALCULATE.

• DAX functions can be used to perform complex calculations and manipulate data in Power BI reports.

• Examples of DAX functions include CALCULATE(SUM(Sales[Amount])), AVERAGE(Sales[Quantity]), and
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Nice it contain logical reasoning

Aptitude round was tougher and was for almost 2hrs.

There were two coding questions. One was tough and other was moderate.

Q1. This round was face to face from Bengaluru campus. The interview was for 45 mins and asked me oops related concepts, functional dependency related questions, operating system, and asked me to write logic f...read more
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