private string data field named symbol for the stock’s symbol. A private string data field named name for the stock’s name. A private float data field named previousClosingPrice that stores the stock price for the previous day. A private float data field named currentPrice that stores the stock price for the current time. A constructor that creates a stock with the specified symbol, name, previous price, and current price. A get method for returning the stock na

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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(Python)

(The Stock class) Design a class named Stock to represent a company’s stock that contains:

  • A private string data field named symbol for the stock’s symbol.

  • A private string data field named name for the stock’s name.

  • A private float data field named previousClosingPrice that stores the stock

    price for the previous day.

  • A private float data field named currentPrice that stores the stock price for

    the current time.

  • A constructor that creates a stock with the specified symbol, name, previous

    price, and current price.

  • A get method for returning the stock name.

  • A get method for returning the stock symbol.

  • Getandsetmethodsforgetting/settingthestock’spreviousprice.

  • Getandsetmethodsforgetting/settingthestock’scurrentprice.

  • A method named getChangePercent() that returns the percentage changed

    from previousClosingPrice to currentPrice.

    Draw the UML diagram for the class, and then implement the class. Write a test program that creates a Stock object with the stock symbol INTC, the name Intel

Programming Exercises 237 Corporation, the previous closing price of 20.5, and the new current price of 20.35, and display the price-change percentage.

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