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");
        }
         
    }
 
}