我坚持不懈，我想创建一种将所有值（卷，区域，R，H）存储在升序顺序中的数组中的方法。请参阅我在下面的代码

Question

我需要一种方法或方法，将所有值（R，H，区域，音量）存储在下面的气缸类的数组中。该数组应以升序顺序包含值。这是以下代码以查找区域和音量。

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
     ArrayList<Double> shapeProperties = new ArrayList<Double>();


    double tc, r, h;
    System.out.println("Enter # of test cases");
    tc = sc.nextInt();

    for (int i = 0; i < tc; i++) {
        System.out.println("Enter base radius");
        r = sc.nextInt();
        System.out.println("Enter height");
        h = sc.nextInt();
        if (tc > 10 || r > 10 || h > 10) {
            System.out.println("Please enter a value under 10");
            break;
        } else {
            System.out.println("Radius r= " + r);
            System.out.println("Height h= " + h);
            System.out.println("Volume = " + getVolume(r, h));
            System.out.println("Area = " + getArea(r, h));
        
            ArrayList<Double> properties = sortPropertiesInArray(r, h, getArea(r,h), getVolume(r,h));
            

        }

    }
}
static ArrayList<Double> sortPropertiesInArray(double r, double h, double area, double volume) {
    ArrayList<Double> shapeProperties = new ArrayList<Double>();
    shapeProperties.add(r);
    shapeProperties.add(h);
    shapeProperties.add(area);
    shapeProperties.add(volume);

    Collections.sort(shapeProperties);

    return shapeProperties;
}


public static double getVolume(double r, double h) {
    return Math.PI * r * r * h;
}

public static double getArea(double r, double h) {
    return 2 * Math.PI * r * (r * h);
}

}

Answer 1

下面的事情应该有效：

ArrayList<Double> shapeProperties = new ArrayList<Double>();
shapeProperties.add(r);
shapeProperties.add(h);
shapeProperties.add(area);
shapeProperties.add(volume);

Collections.sort(shapeProperties);

如果您想将其封装到一个函数中，则可以：

ArrayList<Double> sortPropertiesInArray (double r, double h, double area, double volume) {
    ArrayList<Double> shapeProperties = new ArrayList<Double>();
    shapeProperties.add(r);
    shapeProperties.add(h);
    shapeProperties.add(area);
    shapeProperties.add(volume);

    Collections.sort(shapeProperties);

    return shapeProperties;
}

这样称呼：
arrayList＆lt; double＆gt; properties = sortpropertiesinarray（R，H，Getarea（R，H），GetVolume（R，H））;

示例输出：