Lowe's Associate Engineer Interview Questions and Answers

An unique id for a massive parallel system can be generated using a combination of timestamp, machine id and a random number.

• Use a timestamp to ensure uniqueness

• Include a machine id to avoid collisions in a distributed system

• Add a random number to further increase uniqueness

• Consider using a UUID (Universally Unique Identifier) for simplicity

• Ensure the id generation algorithm is thread-safe

A parking lot system that manages parking spots and vehicles.

• Create a class for parking lot with attributes like total number of spots, available spots, etc.

• Create a class for vehicle with attributes like license plate number, type, etc.

• Implement methods for parking a vehicle, removing a vehicle, and checking availability of spots.

• Use data structures like arrays and maps to store and retrieve information.

• Consider imple

An E-Commerce system can be designed by identifying user requirements, selecting appropriate technologies, and implementing secure payment and shipping methods.

• Identify user requirements and create user stories

• Select appropriate technologies for front-end, back-end, and database

• Implement secure payment and shipping methods

• Design a user-friendly interface with easy navigation

• Ensure scalability and performance of the sys...read more