stock class janca

import java.util.HashMap;

public class Stock {
    public final String ticker, company, timestamp;
    public final double price, change, percent;

    public Stock(HashMap<String, Object> data) {
        ticker = data.get("ticker").toString();
        company = data.get("company").toString();
        price = d(data.get("price"));
        change = d(data.get("change"));
        percent = d(data.get("percent"));
        timestamp = data.get("timestamp").toString();
    }

    double d(Object d) {
        return ((Double) d).doubleValue();
    }

    public String toString() {
        String format = "%s (%s) Last: %.2f (%s) Change: %.2f (%.2f%%)";
        return String.format(format, ticker, company, price, timestamp, change,
                percent);
    }
}