Xperi Software Developer Interview Questions and Answers

Q1. Binary search for closest element
Ans. 
Binary search to find the closest element in a sorted array
• Implement binary search to find the target element in the array

• Keep track of the closest element found so far while searching

• Update the closest element if a closer one is found during the search
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Q2. String manipulation
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Q1. Low level Design for an online e-commerce website
Ans. 
Low level design for an online e-commerce website involves designing the architecture and components of the website.
• Identify the main components such as user interface, database, payment gateway, product catalog, etc.

• Design the database schema to store user information, product details, orders, etc.

• Implement user authentication and authorization mechanisms for secure access.

• Integrate payment gateway for processing tran...read more
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3 Medium level dsa questions

Q1. Lld of cab booking system
Ans. 
The Low Level Design (LLD) of a cab booking system involves detailing the system architecture and components at a lower level of abstraction.
• Identify the main components of the system such as user interface, booking engine, payment gateway, and driver allocation algorithm.

• Define the interactions between these components and how data flows between them.

• Specify the data structures and algorithms used for efficient bookin...read more
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Q2. Discussion about online assesment
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DSA + JAVA + Spring boot

LLD (bookmyshow) + DSA

Medium level question are asked

Q1. Given a array and asked sum
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Q1. Implement an immutable class.
Ans. 
An immutable class is a class whose instances cannot be modified after creation.
• Use final keyword for class declaration to prevent inheritance

• Make all fields private and final to prevent modification

• Do not provide setter methods, only getter methods should be used
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Q2. Implement a springboot service that intercepts http requests.
Ans. 
Implement a Springboot service to intercept HTTP requests.
• Create a Springboot application with necessary dependencies.

• Implement a custom interceptor by extending HandlerInterceptorAdapter.

• Override preHandle and postHandle methods to intercept requests and responses.

• Register the interceptor in the WebMvcConfigurerAdapter configuration class.
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