题解 | #类型转换#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double d = scanner.nextDouble();
        System.out.println(Main.typeConversion(d));//利用函数求解
    }
    public static int typeConversion(double d){

        //write your code here......
        int D = (int) d;//强制类型转换
        return D;//有返回值的函数
        

    }
}