Hiver Software Development Engineer 3 Interview Questions and Answers

1) Add two numbers
2) Find the largest number in an array.

Topic - Advantages and Disadvantages of Mobile phones in today's world

Q1. 1) What are your salary expectations? 2) Are you willing to relocate? Finally, the interviewer was friendly and made me feel comfortable
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Q1. Write a program in .NET that outputs the characters appearing more than two times consecutively in a given string.
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Q2. If there are five microservices, labeled as microservice one, microservice two, microservice three, microservice four, and microservice five. Microservice three breaks. Requests from microservice two to ...read more
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Q3. What is an abstract class, and why is it necessary to use an abstract class when interfaces already exist?
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Q4. What design patterns have you utilized in your projects?
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Q5. Can you illustrate the architecture of your application?
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Q1. Given a list of strings that may contain duplicates, return a list of the duplicate strings using the most efficient approach.
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Q2. Could you explain what your application does and the types of technology it utilizes?
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Q3. When should we use MS SQL and NoSQL databases?
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Q4. Which NoSQL database would you choose as an alternative to Elasticsearch, and what are your reasons for that choice?
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Q5. What are the differences between MongoDB and PostgreSQL?
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Q6. What are the differences between conventional URLs and attribute URLs in .NET Core Web API?
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Q7. What is the working mechanism of OAuth authorization?
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Q8. What steps do you take to ensure that an application remains maintainable?
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Q9. Which design patterns have you utilized in your work?
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Q10. How does Repository Pattern help in maintaining your codebase
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The first round was a group discussion about online shopping.

Q1. What questions did the interviewer ask is related to the Java programming language
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Q1. Discussed about General questions related to Company and personal details
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Not much harder mostly focus on basic coding Questions

Q1. Java Questions, codes,Puzzle
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Q2. My previous work experience related Questions
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Q1. Its was kind of techno Manager Interview. Focus is mostly on java basic concepts (with actual implementation process)
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Q2. Some puzzles were asked by the interviewer and then some comman discussion topics.
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Q1. Started with introduction
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Q2. Asked about projects
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Q3. Asked Architecture related questions and design pattern related questions
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Q4. If you have 1 million requests how will you manage that
Ans. 
I would use load balancing, caching, and scaling techniques to manage the 1 million requests.
• Implement load balancing to distribute requests evenly across multiple servers.

• Utilize caching to store frequently accessed data and reduce response times.

• Scale horizontally by adding more servers to handle the increased load.

• Optimize code and database queries to improve performance.

• Monitor system performance and make adjustmen
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Q5. React vs SAP UI5
Ans. 
React is a popular JavaScript library for building user interfaces, while SAP UI5 is a framework for developing enterprise-ready web applications.
• React is more flexible and widely used in the industry.

• SAP UI5 is specifically designed for SAP applications and has built-in support for SAP technologies.

• React has a larger community and ecosystem with more resources and libraries available.

• SAP UI5 provides a consistent user...read more
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Q6. Node VS JAVA
Ans. 
Node.js is a runtime environment for executing JavaScript code outside of a browser, while Java is a general-purpose programming language often used for building enterprise applications.
• Node.js is single-threaded and event-driven, making it ideal for handling asynchronous operations like I/O operations.

• Java is a statically typed language with a strong emphasis on object-oriented programming, making it suitable for larg...read more
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Q7. Multitenancy in sap btp
Ans. 
Multitenancy in SAP BTP allows multiple customers to share the same application instance while keeping their data isolated.
• Multitenancy allows multiple customers (tenants) to use the same application instance.

• Each tenant's data is isolated and secure from other tenants.

• Tenants can customize their own settings, branding, and configurations within the shared application.

• SAP BTP provides tools and features to manage multi...read more
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Arrays and strings - 90 mins

Create Modules, railway reservation system - 60 mins

Q1. Difference between hashmap and hasptable
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Q2. Why typescript over javascript
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Q3. Find the percentage of increace in the quantity of item after making it price 20% extra
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Q4. What is normalization
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Q5. Date and time api available
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Q1. JavaScript , coding questions
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Q1. Coding problem, JavaScript and nodejs question
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Q1. Java springboot basic to intermediate question
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Q2. Java stream questions
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Q1. Easy level DSA questions
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Q2. Project based questions
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