题解 | #四舍五入#
四舍五入
http://www.nowcoder.com/practice/cae89de6292b4084acb93659353260e0
三元运算符的知识点，但我觉得+0.5然后强转的那个更精辟
import java.util.Scanner;
public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); double d= scanner.nextDouble();
//write your code here......
int i = ((d-(int)d) > 0.5 ? ((int)d+1) : (int)d);
System.out.println(i);
}
}
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