说明函数调用堆栈

/* from 时 代 J a v a*/

public class Main {


    static double G(double x) {

        double result;

        result = Math.pow(x, 2.5);

        return result;

    }


    static double F(double x) {

        double result;

        result = 1.0 + G(x * x);

        return result;

    }


    public static void main(String[] args) {

        double y;

        y = F(5.0);

        System.out.println("y=" + y);

    }

}