Amazon MX Player Senior Software Engineer 2 Interview Questions and Answers

Q1. Design chess platform to perform turnament
Ans. 
Design a chess platform for tournaments
• Implement user registration and login functionality

• Allow users to create or join tournaments

• Include features for pairing players, tracking scores, and generating leaderboards

• Provide options for different tournament formats such as round-robin or knockout

• Include a feature for spectators to watch ongoing games

• Implement a time control system for games

• Allow for customization of tourna
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Q2. Step intersection framework
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Q1. Machine coding round - Design Cache
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Implement your own state management in React and integrate it into a React application.

It was a simple coding test.

There was a small coding problem involving oops concepts..

Q1. There was a simple System Design problem specifically URLShortener
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Q1. There was discussion about previous projects
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3 Moderate questions were asked. I managed to solve 2 completely and 1 partially.

Q1. Question related to system design were asked.
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Q2. He asked me to design some functions of facebook.
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Q1. Introduction type questions were asked. In this it will prefer only CS students
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Q1. Introduction,How many years experience, company name, domain and Background verification.
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Q1. How much salary except
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Q1. Q1- Array vs ArrayList
Ans. 
Array is a fixed-size collection of elements, while ArrayList is a dynamic-size collection that can grow or shrink.
• Array has a fixed length, while ArrayList can dynamically resize.

• Array is more memory efficient, while ArrayList provides more flexibility.

• Array can store primitive types and objects, while ArrayList can only store objects.

• Array allows direct access to elements using index, while ArrayList requires methods...read more
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Q2. Linkedlist vs Arraylist
Ans. 
LinkedList is better for frequent insertions and deletions, while ArrayList is better for frequent access.
• LinkedList uses pointers to connect nodes, while ArrayList uses contiguous memory.

• LinkedList has O(1) insertion and deletion, while ArrayList has O(n) for these operations.

• ArrayList has O(1) access time, while LinkedList has O(n) for this operation.

• LinkedList is better for implementing stacks and queues, while Arra...read more
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Q3. Nodes vs not nodes elements
Ans. 
Nodes are elements with child elements, while non-nodes are standalone elements.
• Nodes are part of a hierarchical structure, while non-nodes are not.

• Nodes can have child elements, while non-nodes cannot.

• Examples of nodes include HTML elements like

  and

  , while non-nodes include and .

  • Nodes are typically used in tree-like data structures, while non-nodes are used for standalone elements.
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