强制转换，如果不对请纠正谢谢

解题思路:

注意事项:

参考代码:

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

while (scanner.hasNext()) {

double a = scanner.nextDouble();

System.out.printf("%d",(int)a);

}

}

}