bakespeed.java

java编的销售系统

public class BakeSpeed
{
	public BakeSpeed()
	{
		
	}
	public int getBakePrice()
	{
		return BakePrice;
	}
	private int BakePrice= 0;
}

class Fast extends BakeSpeed
{	
	public Fast()
	{
		super();
	}
	
	public int getBakePrice()
	{
		return super.getBakePrice() + 2;
		
	}
	
	public String toString()
	{
		return "Bake Speed: " +  getClass().getName() + "     " 
			+ getBakePrice() + "$";
	}
}


class Normal extends BakeSpeed
{
	public Normal()
	{
		super();
	}
	
	public int getBakePrice()
	{
		return super.getBakePrice();
		
	}
	
	public String toString()
	{
		return "Bake Speed: " +  getClass().getName() + "     " 
			+ getBakePrice() + "$";
	}
}


class Slow extends BakeSpeed
{
	public Slow()
	{
		super();
	}
	
	public int getBakePrice()
	{
		return super.getBakePrice() - 2;
	
	}
	
	public String toString()
	{
		return "Bake Speed: " +  getClass().getName() + "     " 
			+ getBakePrice() + "$";
	}
	
	
}