题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
1、强制类型转换(int),是直接去掉小数点后的数据,通过+0.5来判断四舍五入
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); float num = in.nextFloat(); System.out.println((int) (num + 0.5)); } }