java简单实现

import java.util.*;
import static java.lang.Math.*;

public class Main {
    private static final Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        final double Pi = 3.14;
        double r = scanner.nextDouble(), h = scanner.nextDouble();
        System.out.printf("C1=%.2f\nSa=%.2f\nSb=%.2f\nVa=%.2f\nVb=%.2f\n",
                            2 * Pi * r,
                            Pi * pow(r, 2),
                            4 * Pi * pow(r, 2),
                            4 * Pi * pow(r, 2) / 3,
                            Pi * pow(r, 2) * h);
    }
}