题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
//数据类型转换 import java.util.Scanner; public class HJ7 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //键盘录入导包 double num = scanner.nextDouble(); //键盘录入浮点数 double yu = num-(int)num;//余数 if (yu>=0.5) System.out.println((int)num+1); else System.out.println((int)num); } }
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