创建Car类，实例化并调用Car类计算运输的原料量是否足够

package dx;

public class Car {

	//构造类
	public Car()
	{
		System.out.println("Car的构造类");
	}

	//构造类重用,初始化空车重量
	public Car(double KongChe)
	{
		kongche = KongChe;
	}

	//成员变量

	double kongche;

	//成员方法，计算货物重量
	public double shizhong(double manzai)
	{

		return manzai - kongche;

	}

	//方法重载 含水量高的货物输入含水率

	public double shizhong(double manzai,double hanshuilv)
	{

		return manzai * (1- hanshuilv)  - kongche;

	}
}

package dx;

public class Yuanliao {

	public static void main(String[] args) {

		double kuangshi = 20;//需要的矿石原料量
		double mei = 10;//需要的煤量

		double ks = 0;//当前矿石量
		double m = 0;//当前煤量
		double hsl = 0.01;//含水率

		double kc = 1.5;//空车重量

		double arr[][] = {{1,6},{2,5},{9,7},{8,6},{6,6}};//创建车号,总重数组

		//实例化Car对象
		Car car = new Car(kc);

		for(int i = 0; i < arr.length; i++)
		{
			//车号
			int n = (int)arr[i][0];

			//总重
			double zz = arr[i][1];

			//车号小于等于5的装载矿石,大于5装载煤
			if(n <= 5)
			{
				//调用car方法计算净重
				double jz = car.shizhong(zz);

				ks = ks + jz;

			}
			else
			{
				//重用car方法计算净重
				double jz = car.shizhong(zz , hsl);

				m = m + jz;
			}
		}

		//判断矿石是否已足够
		if(ks >= kuangshi)
		{
			System.out.println("矿石已足够");
		}
		else
		{
			System.out.println("矿石不足");
		}

		//判断煤是否已足够
		if(m >= mei)
		{
			System.out.println("原料煤已足够");
		}
		else
		{
			System.out.println("原料煤不足");
		}

	}

}