public class GrabStocks{

public static void main(String[] args){

// Create the Subject object

// It will handle updating all observers

// as well as deleting and adding them

StockGrabber stockGrabber = new StockGrabber();

// Create an Observer that will be sent updates from Subject

StockObserver observer1 = new StockObserver(stockGrabber);

stockGrabber.setIBMPrice(197.00);

stockGrabber.setAAPLPrice(677.60);

stockGrabber.setGOOGPrice(676.40);

StockObserver observer2 = new StockObserver(stockGrabber);

stockGrabber.setIBMPrice(197.00);

stockGrabber.setAAPLPrice(677.60);

stockGrabber.setGOOGPrice(676.40);

// Delete one of the observers

// stockGrabber.unregister(observer2);

stockGrabber.setIBMPrice(197.00);

stockGrabber.setAAPLPrice(677.60);

stockGrabber.setGOOGPrice(676.40);

// Create 3 threads using the Runnable interface

// GetTheStock implements Runnable, so it doesn't waste

// its one extendable class option

Runnable getIBM = new GetTheStock(stockGrabber, 2, "IBM", 197.00);

Runnable getAAPL = new GetTheStock(stockGrabber, 2, "AAPL", 677.60);

Runnable getGOOG = new GetTheStock(stockGrabber, 2, "GOOG", 676.40);

// Call for the code in run to execute

new Thread(getIBM).start();

new Thread(getAAPL).start();

new Thread(getGOOG).start();

}

}