取近似值
取近似值
http://www.nowcoder.com/questionTerminal/3ab09737afb645cc82c35d56a5ce802a
import java.util.Scanner;
/**
* 题目描述
* 写出一个程序,接受一个正浮点数值,输出该数值的近似整数值。如果小数点后数值大于等于5,向上取整;小于5,则向下取整。
*/
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double doubleNum = scanner.nextDouble();
int intNum =(int) doubleNum;
if(doubleNum - intNum >=0.5 && doubleNum - intNum < 1){
intNum ++;
}
System.out.println(intNum);
}
}

