Aristocrat Technologies Senior Software Developer Interview Questions and Answers

Q1. Some C++ 14/17 questions and OOPs concepts
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Q2. DSA questions based for basic game logics.
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Q1. Advanced OOPs and C++ questions
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Q2. DSA coding questions based on Stacks and Linked list
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Q1. Called me to Noida for a F2F HR round. I wasn’t given any Travel allowance. CTC negotiation was brutal. They were not willing to give me even a 5% hike on my previous salary.The HR and the Team said they’d...read more
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Q2. A month passed by. Sometimes they’d say the technical team who took your interview wasn’t available so that the CTC discussion could be further done. And somedays they’d just delay by saying we’d get back ...read more
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Q3. After a month of wasting my time. The HR finally called and said they rejected me based on the CTC. And are not even willing to negotiate because of my not so well performance in the technical rounds.
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Q1. What are the pillars of OOPS?
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The pillars of OOPS are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data from outside interference.

• Abstraction hides the complex implementation details and only shows the necessary features to the user.

• Polymorphism allows objects to be treated...read more
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Basic Aptitude and Computer Questions

Sudoku puzzle in Python

Q1. HR questions and Technical Basic questions on python
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Q2. Django Meta Class, Python list vs tuple , set vs frozen set
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1 hour, 22 questions related to Java Spring Boot, SQL, and Hibernate, also one DSA Question, implementation of a card board game.

Q1. Merge sorted arrays
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Q1. Checking cache using python
Ans. 
Use Python's built-in 'functools' module to check cache for function results.
• Import 'functools' module

• Use 'lru_cache' decorator to cache function results

• Specify 'maxsize' parameter to limit cache size

• Use 'cache_info()' method to get cache statistics
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1. Question regarding Strings and maths .

Q1. Design twitter.
Ans. 
Design a social media platform for microblogging and sharing short messages.
• User profiles with bio, profile picture, and followers/following counts

• Ability to post tweets with text, images, and videos

• Timeline to view tweets from followed users

• Hashtags and mentions for organizing and interacting with content

• Like, retweet, and reply functionalities for engagement
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Q1. Event loop and how it works
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Event loop is a mechanism in programming that allows for asynchronous execution of code by managing the order of operations.
• Event loop is commonly used in JavaScript to handle asynchronous operations.

• It works by continuously checking the event queue for tasks to execute.

• Tasks are executed in the order they were added to the queue.

• Event loop prevents blocking of the main thread by handling tasks asynchronously.

• Example: ...read more
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Q2. DSA questions based on array and string
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Round duration - 90 Minutes
Round difficulty - Medium

The first round was scheduled in the evening time.
First of all interviewer introduced himself and after my introduction 
He directly shoot first DSA question. The question was easy but conceptual. I have solved some question with same concept and he ask me to share the screen and code in online compiler. Finally I was able to get correct output with all the use cases and I was like "Half work done!"
Then he asked me very core concepts of JavaScript along with that Some Output based questions.
Then finally he asked me theory questions on React along with my experience in React. 
The interviewer was very helpful as well as polite. I don't think if he will not help me during interview I could crack the interview

Q1. Admission in Ninja Gram
Ninja is shifting to a new place named NinjaGram. To take admission to the new school, the teacher gives him a sentence and asks him to check whether the sentence is a pangram.
A ...read more
Ans. 
Step 1 : I have used hashing concept to map occurrence of english alphabet.
Step 2 : I used Counter array with size 26 to find count of every alphabet. 
Step 3 : Traverse the array and if it's panagram append the output string with 1 else 0
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