tax.java

这是个计算Tax的小java程序

public class Tax
{
	double result;
	public Tax(double salary)
	{
		if(salary>=0 && salary<500)
		{
			result = (salary-1600)*0.05;
		}
		else if(salary>=500 && salary<=2000)
		{
			result = (salary-1600)*0.1-25;
		}
		else if(salary>=2000 && salary<5000)
		{
			result = (salary-1600)*0.15-125;
		}
		else if(salary>=5000 && salary<=20000)
		{
			result = (salary-1600)*0.2-375;
		}
		else
		{
			result = (salary-2600)*0.2-375;
		}
	}

	double getTax()
	{
		return result;
	}
};