Java黑皮书课后题第9章：9.2（Stock类）遵照9.2节中Cirlce类的例子，设计一个名为Stock的类

• 题目
• 代码
• • Test2
  • Test2_Stock
• UML图

题目

代码

Test2：测试程序
Test2_Stock：实现题目要求

Test2

public class Test2 {public static void main(String[] args) {Test2_Stock s = new Test2_Stock("ORCL", "Oracle Corporation", 34.5, 34.35);}
}

Test2_Stock

public class Test2_Stock {String symbol;String name;double previousClosingPrice;double currentPrice;public Test2_Stock(String symbol, String name, double previousClosingPrice, double currentPrice){this.symbol = symbol;this.name = name;this.previousClosingPrice = previousClosingPrice;this.currentPrice = currentPrice;System.out.println((currentPrice - previousClosingPrice) / previousClosingPrice * 100 + "%");}
}

UML图

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