Lowe's Interview Questions, Process, and Tips

Q1. Expain architecure of your current application
Ans. 
Microservices architecture with containerization using Docker and Kubernetes
• Utilizes microservices architecture for scalability and flexibility

• Each microservice is containerized using Docker for easy deployment and management

• Orchestrated using Kubernetes for automated scaling and load balancing
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Q1. Explain architectural of your current application of
Ans. 
Our current application architecture follows a microservices design pattern with a combination of front-end and back-end services.
• Utilizes Docker containers for easy deployment and scalability

• Uses RESTful APIs for communication between services

• Front-end built with React.js and back-end services in Node.js

• Data storage handled by MongoDB for flexibility and scalability
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Q1. Expain architecture of your
Ans. 
I have experience designing scalable and efficient software architectures for various projects.
• Utilize microservices architecture for scalability and flexibility

• Implement RESTful APIs for communication between components

• Use containerization with Docker for easy deployment and management

• Leverage cloud services like AWS or Azure for scalability and reliability
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2 DSA questions and some MCQ on Java and Spring

Q1. Longest palindromic substring
Ans. 
A palindromic substring is a string that reads the same forwards and backwards.
• Use dynamic programming to find the longest palindromic substring.

• Start by considering each character as the center of a potential palindrome.

• Expand outwards from each center to check for palindromes of odd and even lengths.
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Q2. Remove duplicates in place from a 1D array
Ans. 
Remove duplicates from a 1D array of strings in place
• Iterate through the array and use a HashSet to keep track of unique elements

• Replace duplicates with null or an empty string to remove them in place
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Q1. Project discussion
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Q2. Search min element in a rotated sorted array with duplicate elements
Ans. 
Search for the minimum element in a rotated sorted array with duplicate elements.
• Use binary search to find the minimum element in the rotated sorted array.

• Handle the case where duplicate elements are present by adjusting the search conditions.

• Consider cases where the array is not rotated or contains only one element.
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Q3. Ways of declaring singleton class
Ans. 
A singleton class is a class that can only have one instance created throughout the application.
• Declare a private static instance variable of the class

• Create a private constructor to prevent external instantiation

• Provide a public static method to access the instance
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Q1. Project discussion
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Q2. Behavioural questions
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Q1. Kafka , heap stack
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Q2. Mvc endpoint creation
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Q1. Dsa on string please
Ans. 
Data structures and algorithms related to string manipulation in Java.
• Use built-in methods like indexOf(), substring(), and charAt() for string manipulation.

• Implement algorithms like string reversal, palindrome check, and string matching using DSA concepts.

• Consider using data structures like arrays, hashmaps, and linked lists for efficient string operations.
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Q2. Heap
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Q1. System Design Questions, Situation based problems of system design
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Q2. Data Structure Coding question of HashMap
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Q1. Again System design, Question from your project and architecture of your project
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