Classes and Objects: Stock Class

Question: Design a class named Stock that contains:
o A string data field named symbol for the stock’s symbol.
o A string data field named name for the stock’s name.
o A double data field named previousClosingPrice that stores the
stock price for the previous day.
o A double data field named currentPrice that stores the stock price
for the current time.
o A constructor that creates a stock with the specified symbol and name.
o A method named getChangePercent() that returns the percentage
changed from previousClosingPrice to currentPrice .
Write a test program that creates a Stock object with the stock symbol ORCL , the name
Oracle Corporation , and the previous closing price of 34.5 . Set a new
current price to 34.35 and display the price-change percentage.

package Ch9;

/**
 * Q: Design a class named Stock that contains:
     o A string data field named symbol for the stock's symbol.
     o A string data field named name for the stock's name.
     o A double data field named previousClosingPrice that stores the
     stock price for the previous day.
     o A double data field named currentPrice that stores the stock price
     for the current time.
     o A constructor that creates a stock with the specified symbol and name.
     o A method named getChangePercent() that returns the percentage
     changed from previousClosingPrice to currentPrice .
     Write a test program that creates a Stock object with the stock symbol ORCL , the name
     Oracle Corporation , and the previous closing price of 34.5 . Set a new
     current price to 34.35 and display the price-change percentage.
 * Created by aarushi on 16/6/21.
 */
public class Ex02Stock {
    String symbol;
    String name;
    double previousClosingPrice;
    double currentPrice;

    public Ex02Stock(String symbol, String name){
        this.symbol= symbol;
        this.name= name;
    }

    public void setPreviousClosingPrice(double previousClosingPrice) {
        this.previousClosingPrice = previousClosingPrice;
    }

    public void setCurrentPrice(double currentPrice) {
        this.currentPrice = currentPrice;
    }

    public double getChangePercent(){
        return ((currentPrice-previousClosingPrice)/previousClosingPrice);
    }

    /*
    Sample Output:
    Percentage change of stock price of Oracle Corporation is -0.00434782608695648%
     */
}
package Ch9;

/**
 * Created by aarushi on 16/6/21.
 */
public class Ex02StockTest {
    public static void main(String [] args){
        Ex02Stock stock1= new Ex02Stock("ORCL", "Oracle Corporation");
        stock1.setPreviousClosingPrice(34.5);
        stock1.setCurrentPrice(34.35);
        System.out.println("Percentage change of stock price of " + stock1.name + " is " + stock1.getChangePercent()+"%");
    }
}

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