package stock author AHMED public class Stock public st

package stock;

/**
*
* @author AHMED
*/
public class Stock {

public static void main(String[] args)
{
Stock MSFT = new Stock(\"MSFT\",\"Microsoft\",34.5,34.35);
  
System.out.println(\"Price change in Percentage: \"
+ MSFT.changePercent()
+ MSFT.getCurrentPrice()
+ MSFT.previousClosingPrice() );
}

}
class Stock {
String symbol;
String name;
double previousClosingPrice;
double currentPrice;
  
  
public Stock(String symbol, String name, double previouseClosingPrice, double currentPrice)
{
stock.symbol = symbol;
stock.name = name;
stock.previousClosingPrice = previousClosingPrice;
stock.currentPrice = currentPrice;
  
}
public double changePercent()
{
return ((currentPrice - previousClosingPrice) / previousClosingPrice) *100;
}
  
  

public double getPreviousClosingPrice()
{
return stock.previousClosingPrice ;
}
  
public double getCurrentPrice()
{
return stock.currentPrice;
}

public void setCurrentPrice(double newCurrentPrice)
{
stock.currentPrice = newCurrentPrice;
}
  
public void setPreviousClosingPrice(double price)
{
stock.previousClosingPrice = price;
}
}

Solution

public class StockMain {
public static void main(String[] args)
{
Stock MSFT = new Stock(\"MSFT\",\"Microsoft\",34.5,34.35);

System.out.println(\"Price change in Percentage: \"
+ MSFT.changePercent()
+ MSFT.getCurrentPrice()
+ MSFT.getPreviousClosingPrice() );
}
}
class Stock {
Stock stock;
String symbol;
String name;
double previousClosingPrice;
double currentPrice;

public Stock(String symbol, String name, double previouseClosingPrice, double currentPrice)
{
stock.symbol = symbol;
stock.name = name;
stock.previousClosingPrice = previousClosingPrice;
stock.currentPrice = currentPrice;

}
public double changePercent()
{
return ((currentPrice - previousClosingPrice) / previousClosingPrice) *100;
}

public double getPreviousClosingPrice()
{
return stock.previousClosingPrice ;
}

public double getCurrentPrice()
{
return stock.currentPrice;
}

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

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