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。
取近似值
http://www.nowcoder.com/questionTerminal/3ab09737afb645cc82c35d56a5ce802a
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double v = scanner.nextDouble();
long round = Math.round(v);
System.out.println(round);
}}
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