AVASOFT ml engineer Interview Questions and Answers

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. Explain OOPS concept and how you apply it in your implementation
Ans. 
OOPS is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPS focuses on the concept of classes and objects

• Encapsulation: bundling data and methods that operate on the data within a single unit

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for diffe...read more
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Q2. Difference between Comparable and Comparator. Difference between Abstract Class and Interface
Ans. 
Comparable is an interface used for natural ordering, Comparator is an interface used for custom ordering. Abstract class can have method implementations, Interface cannot.
• Comparable interface is used to define the natural ordering of objects. Example: String class implements Comparable interface for natural ordering based on alphabetical order.

• Comparator interface is used to define custom ordering of objects. Example:...read more
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Q3. Given a string. Find the number of occurrences of each character
Ans. 
Count occurrences of each character in a given string
• Create an array to store the count of each character

• Iterate through the string and increment the count of each character in the array

• Return the array with counts for each character
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Q4. Given an array. Remove the number of duplicates
Ans. 
Remove duplicates from an array of strings
• Iterate through the array and store each element in a set to keep track of unique values

• Create a new array with the unique values from the set
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Q5. Given a student object having name and grade data variables. Sort the object on the basis of highest grade.
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4 questions of coding, level - easy and medium

Q1. Asp.net mvc , sql server etc
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Q1. Managerial round, .net and sql server related questions
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Q1. Salary negotiation
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Q1. Problem solving question
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Q2. Java , stream , Spring fundamentals
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Q1. Some basic String array problem solving question
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Q2. Java questions like junit , Spring boot
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Q1. String questions , DSA problem
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Q2. Java questions in brief
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Based on os , linux , nutanix

Q1. Related to networking
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Q2. What is dns , NET , Scenario based questions
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Q1. Rate Limiter with possible test cases
Ans. 
Rate limiter is a mechanism to control the rate of requests sent to a server
• Implement a sliding window algorithm to track the number of requests within a specific time frame

• Set a limit on the number of requests allowed per unit of time

• Return an error response when the limit is exceeded

• Test cases: 1. Send requests below the limit - should be successful. 2. Send requests above the limit - should receive an error response
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Q1. Rank teams based on some criteria
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Q1. Job scheduler system design round
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Comp fundamentals c java os dbms

2 codes. 1 of string 1 of graph

Q1. All related comp fundaments and puzzles
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Q2. Linked list detect loop
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Q3. Stl vs collectin in java
Ans. 
STL (Standard Template Library) is a library of generic algorithms, data structures, and iterators in C++. Collections in Java are interfaces and classes that represent data structures.
• STL in C++ provides containers like vectors, lists, maps, etc. for storing data and algorithms for manipulating them.

• Collections in Java include interfaces like List, Set, Map, and classes like ArrayList, HashSet, HashMap, etc.

• STL is par...read more
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Q4. Cake puzzle and bulb puzzle
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