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Homework Questions Q 1. Write the implementation java code for a class named Stock that contains: A string data field named symbol for the stocks
Homework Questions
Q 1. Write the implementation java code for a class named Stock that contains:
- A string data field named symbol for the stocks symbol.
- A string data field named name for the stocks 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.
- An integer data field named ID that stores the identifier number of stock.
- A constructor that creates a stock with the specified symbol, name, and ID.
- A method named getChangePercent() that returns the percentage changed from previousClosingPrice to currentPrice.
double getChangePercent(){
return 100 * (currentPrice - previousClosingPrice) / previousClosingPrice;
}
Q 2. Draw the UML diagram for the class Stock.
Q 3. Write a test program that:
- Create a random object from the Random class (java.util.Random). We will use this object for the ID number of Stock between (0 to 100).
- Ask a user for the name and symbol of Stock. So, you should create two string variables in the test program.
- Create a Stock object with the stock symbol (from the user), the name of symbol (from the user), and ID (from Random object by using nextInt(100) method).
- Ask the user for the previous closing price and the current price. Note: Don't create two variables for them. You can use the Stock object to assign the values of these two variables from the user.
- Display the stock name, the stock symbol, the stock ID, and the pricechange percentage.
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