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4. The Stock Class 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 previousClosing Price that stores the stock price for the previous day. A double data field named current Price that stores the stock price for the current time. A constructor that creates a stock with the specified symbol and name. A method named getChange Percent() that returns the percentage changed from previous Closing Price to current Price Draw the UML dingram for the class and 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