Amazon Business Development Associate Interview Questions and Answers

Q1. What you have technical improvement in codes?
Ans. 
I have implemented various technical improvements in codes to enhance performance and functionality.
• Implemented caching mechanisms to reduce load times

• Optimized database queries for faster retrieval of data

• Introduced error handling techniques to improve code reliability

• Utilized design patterns to make the codebase more maintainable

• Refactored legacy code to adhere to best practices
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Q2. What is your excitment about fresh job?
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It's based on a coding platform, the interviewer will be present while you're solving the coding problem.

Q1. Share your expertise so far
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Q2. Expplain what all you have done and how you've contributed to the company.
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2 questions were given , one was easy, other one leetcode hard

Q1. What is a class, basic oops and sql concepts
Ans. 
A class is a blueprint for creating objects in object-oriented programming. Basic OOP concepts include encapsulation, inheritance, and polymorphism. SQL concepts include querying databases using SQL commands.
• A class is a template for creating objects with properties and methods.

• Encapsulation is the concept of bundling data and methods that operate on the data within a single unit.

• Inheritance allows a class to inherit p...read more
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Q2. What do you know about polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is called with.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: A met...read more
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1.5 hours long, platform was hackerearth.

Q1. Reverse a Linked List
Ans. 
Reverse a linked list by changing the pointers direction.
• Start with three pointers: current, previous, and next.

• Iterate through the linked list, updating the pointers to reverse the direction.

• Update the head pointer to the last node to complete the reversal.
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