bourse.java

基于股票价格变化的观察者模式的java源代码。初学者可看

import java.util.Date;
import java.util.Random;

public class Bourse {
	public static void main(String[] args) {
		StockData stockData = new StockData();
		
		CurrentPriceDisplay currentPriceDisplay = new CurrentPriceDisplay(stockData);
		AnalysisDisplay analysisDisplay = new AnalysisDisplay(stockData); 
		ForecastDisplay forecastDisplay = new ForecastDisplay(stockData);
		
		final Random random = new Random();
		float m;
		
		for(int i = 0; i < 30; i++){
			m = random.nextFloat()*100;
			Date today = new Date();
			System.out.print("现在是"+ today.getHours()+"时,");
			System.out.print(today.getMinutes()+"分,");
			System.out.println(today.getSeconds()+"秒.");
			stockData.setPrices(m);
			System.out.println();
		}	
	}
}