曲线下面积-一维数组(Java)

public class AreaUnderCurve {
    public static double calculateArea(double[] curve) {
        double area = 0.0;
        
        for (int i = 0; i < curve.length - 1; i++) {
            double height = curve[i];
            double width = 1.0; // 假设每个小区间的宽度为1
            double intervalArea = height * width;
            area += intervalArea;
        }
        
        return area;
    }
    
    public static void main(String[] args) {
        double[] curve = {1.0, 2.0, 3.0, 4.0, 5.0}; // 曲线上各个点的纵坐标值
        
        double area = calculateArea(curve);
        System.out.println("曲线下面积为：" + area);
    }
}