题解 | #牛牛学说话之-浮点数#
牛牛学说话之-浮点数
http://www.nowcoder.com/practice/7c3bf58fac1a4eb69fa32c2d2c379bac
使用输出格式
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
float num = scanner.nextFloat();
System.out.printf("%.3f", num);
}
}