Axtria Lead Software Engineer Interview Questions and Answers

Q1. Basics of oops, .net framework and .net core
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Q2. Sql query for student department id
Ans. 
SQL query to retrieve student department id.
• Use SELECT statement to retrieve data

• Specify the columns to be selected, including the department id column

• Specify the table where the student data is stored

• Use WHERE clause to filter the results based on student information
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Q3. Solid principles and design patterns
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Q1. Asked to code palindrome
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Q2. Code duplicate string from main string and get index of sub string
Ans. 
Code to find index of sub string in main string and duplicate the sub string
• Use a loop to iterate through the main string and check for the sub string

• If sub string is found, duplicate it and store the index

• Return the index of the duplicated sub string
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Q1. Manager asked me to code the count index of substring and sum of substring
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Q2. Questions as HR informed, it was worst and all interviews were scheduled at night time.he was more technical than the second round team lead instead of asking manager round
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Normal online code / frontend test

Q1. How would you build book my show
Ans. 
Designing and building a platform similar to BookMyShow involves creating a user-friendly interface for booking tickets for various events.
• Develop a user-friendly website and mobile app for users to browse and book tickets for movies, concerts, plays, etc.

• Implement a secure payment gateway for users to make online transactions.

• Integrate a database to store information about events, venues, tickets, and user bookings.

• In...read more
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Q1. Solid principals, awareness of patterns
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Q1. How would you build tinyurl like service, systems designs
Ans. 
To build a tinyurl-like service, design a system with a URL shortening algorithm, a database to store mappings, and a redirect service.
• Use a hashing algorithm to generate short URLs from long URLs (e.g. MD5, SHA-256).

• Store the mappings of short URLs to long URLs in a database (e.g. MySQL, Redis).

• Implement a redirect service that takes a short URL, looks up the corresponding long URL in the database, and redirects the u...read more
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Q1. Non-technical questions
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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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Q1. String based questions in java
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Q2. What are the fundamental concepts of Java?
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Java based questions and few DSA questions

Q1. Easy array problem
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Q2. Easy tree traversal problem
Ans. 
Implement tree traversal algorithm to visit each node in a tree structure
• Use depth-first search (DFS) or breadth-first search (BFS) to traverse the tree

• DFS can be implemented using recursion or a stack data structure

• BFS can be implemented using a queue data structure

• Example: Inorder traversal of a binary tree - left, root, right
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Q1. Trapping rain water
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Q2. Path of longest sum
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Find the path in a matrix with the longest sum of elements
• Start from the top-left corner of the matrix

• Move only right or down in the matrix

• Keep track of the sum of elements in each path

• Return the path with the longest sum
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Q1. Coding questions java
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Q2. Logical program s
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