Following the example of the circle class, design a class named stock that contains:
a)- a string data field named symbol for the stocks symbol.
b)- a string data field named name for the stocks name.
c)- a double data field named previousclosingprice that stores the stock price for the previous day.
d)- a double data field named currentprice that stores the stock price for the current time.
e)- a constructor that creates a stock with a specified symbol and name.
f)- a method named get changepercent() that returns the percent- age changed from previous closingprice 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.