This is a java multi-thread application of elevators.

all the source code files should be loaded with GBK encoding or some icons may appear in a wrong style.

There are 4 images and 5 classes.

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1. closed.jpg--------------2. opening.jpg---------------3. opened.jpg---------------4. closing.jpg

1. Const: it saves constants that will be used for many times, e.g. "static final int floornumber" means the number of floor in the building.
2. ButtonListener: it responds to the button click action. If a button is clicked, its background color turns red.
3. Outside: it defines the functions and UI of outside buttons on every floor that people outside need to push to call the elevator.
4. Elevator: it defines the functions and UI of inside buttons and it shows states of the elevator (maybe the most complex class).
5. View (main class): it initializes five elevators and outside view on the panel and run them in multithread.