Amazon Development Centre India Softwaretest Engineer Interview Questions and Answers

Basic leetcode easy question. Find unique number in strung

Q1. Sql - Find nth highest salary of employees
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Q2. DSA - Sorted array to BST
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Mostly question regarding projects in resume

Asked me DSA Question of a graph.Island Count

Q1. IS GRQPH BIPARIT
Ans. 
The question is not clear and seems to be a typo. It may be asking about a graph being bipartite.
• Ask for clarification on the question

• Explain what a bipartite graph is

• Provide examples of bipartite and non-bipartite graphs
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Basic testing mcq questions

Q1. First round of interview technical interview
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Q2. Api, sql, debugging
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Q1. Second round is also technical
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Q1. About company and salary discussions
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Q1. MC question on desing pattern
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Q2. Graph question, tree and hash
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Q3. Design Book my show
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Dp question of jump game

Q1. What is Closure
Ans. 
Closure is a function that captures the environment in which it was created, allowing it to access variables from that environment even after the function has finished executing.
• Closure allows a function to access variables from its outer scope even after the function has finished executing.

• It is created when a function is defined within another function and the inner function references variables from the outer functi...read more
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Q2. Flat nested array
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Q1. Machine coding questions
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Q2. Das based questions
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Q1. Simple questions
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Q2. Simple questions one on one
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Prime number, Convert given number into hours format with a challengeToken to validate and return the string

Q1. OOPs Inheritance
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Q2. OOPS Polymorphism
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Q1. Sum of n using recursion
Ans. 
Recursively calculate the sum of n numbers
• Define a base case for when n is 0 or 1

• Recursively call the function with n-1 and add n to the result

• Return the result
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Q2. Practical application of dsa in projects
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Data Structures and Algorithms (DSA) are used in projects for efficient data storage, retrieval, and manipulation.
• Optimizing search and sorting algorithms for faster performance

• Implementing data structures like arrays, linked lists, trees, and graphs for organizing data

• Using DSA to solve complex problems like pathfinding, data compression, and cryptography
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Q1. General DSA question leetcode style
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Q1. Discussion on previous project
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