Nook Interview Question Senior Software Development Engineers
Country: United States
Interview Type: In-Person
is a comprehensive book on getting a job at a top tech company, while focuses on dev interviews and does this for PMs.
CareerCup's interview videos give you a real-life look at technical interviews. In these unscripted videos, watch how other candidates handle tough questions and how the interviewer thinks about their performance.
Most engineers make critical mistakes on their resumes -- we can fix your resume with our custom resume review service. And, we use fellow engineers as our resume reviewers, so you can be sure that we "get" what you're saying.
Our Mock Interviews will be conducted "in character" just like a real interview, and can focus on whatever topics you want. All our interviewers have worked for Microsoft, Google or Amazon, you know you'll get a true-to-life experience.
I was asked the same question in one of the interviews and off-course couldn't do well in the interview.
- Algorithmy October 28, 2014There is 2 questions related to elevators that get asked
1.) Object oriented design for elevator system
2.) Scheduling of the elevator which is another complicated subject.
The following below should help with 1.).
Please note that the below content is from one of the papers on internet. unfortunately, i cannot link the web document here. search in google for "elevator system object oriented design" and you should find more details on the problem. It is domain cmu.edu.
---------------------------
Car: The car is being controlled to move up and down (in different speeds), to makestops at floors when necessary.
Button: The ElevatorControl class also controls the button class, which further generalizes two subclasses CarCallButton and HallCallButton. The control object
communicates with the Button objects, get the information whether a button is pressedand in turn controls the illumination of Button lights.
Indicator: There are two kinds of indicators in the system, the CarPositionIndicator and the CarDirectionIndicator (i.e. the CarLantern). The indicators are controlled to show the information about the current position and moving direction of the car.
Safety: Whenever an emergency happens according to the definition of emergency brake trigger in the requirement documentation, the ElevatorControl commands the Safety
---------------------------