第一轮:
- BQ
- Design a service for Alexa devices to report battery status (Object Oriented Design).
- Follow-up:
- Should be for all alexa devices(video & audio, audio only, IOT devices etc.)
第二轮:
- BQ
- Write a method that does find a file in given directory
- search for file in all subdirectories
- search for a file with variable number of constraints(like size, creation-date, ends-with etc…)
第三轮: [Bar Raiser]
第四轮:
- BQ
- Implement HashMap.(keys can be only dates).
- Follow-up:
- Get method should return value of closes date key, if given key doesn’t exists.
- Optimize time-complexity.