product.java

ssd3 exercise3正确的答案啊。

public class Product 
{
	/* Code of the item. */
	private String  code;
	/* A short description of the product . */
	private String description;
	private double price;
	public Product(String initialCode,
		String initialDescription,
		double initialPrice)
	{
		code=initialCode;
		description=initialDescription;
		price=initialPrice;
	}
	public String getCode()
	{
		return code;
	}
	public String getDescription()
	{
		return description;
	}
	public double getPrice()
	{
		return price;
	}
	public boolean equals(Object object)
	{
		return object instanceof Product
			&& getCode().equals(((Product) object).getCode());
	}
	public String toString()
	{
		return  getCode() + "_" + getDescription() + "_" + getPrice();
          

	}

}