design a class named Stock that contains:■■ A string data field named symbol for the stock’s symbol.■■ A string data field named name for the stock’s name.■■ A double data field named previousClosingPrice that stores the stockprice for the previous day.■■ A double data field named currentPrice that stores the stock price for thecurrent time.■■ A constructor that creates a stock with the specified symbol and name.■■ A method named getChangePercent() that returns the percentage changedfrom previousClosingPrice to currentPrice.Draw the UML diagram for the class then implement the class. Write a test programthat creates a Stock object with the stock symbol ORCL, the name OracleCorporation, and the previous closing price of 34.5. Set a new current price to34.35 and display the price-change percentage.
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
design a class named Stock that contains:
■■ A string data field named symbol for the stock’s symbol.
■■ A string data field named name for the stock’s name.
■■ A double data field named previousClosingPrice that stores the stock
price for the previous day.
■■ A double data field named currentPrice that stores the stock price for the
current time.
■■ A constructor that creates a stock with the specified symbol and name.
■■ A method named getChangePercent() that returns the percentage changed
from previousClosingPrice to currentPrice.
Draw the UML diagram for the class then implement the class. 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.
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