final static int[] sizeTable = { 9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999, I ...
import java.util.Scanner public class Main public static void main String args Scanner scanner new Scanner System.in int a scanner.nextInt System.out.println a .length ...
2020-04-16 11:38 0 7649 推荐指数:
final static int[] sizeTable = { 9, 99, 999, 9999, 99999, 999999, 9999999, 99999999, 999999999, I ...
...
a=123.456 a = num2str(123.456);b = find(a=='.');c = length(a)-b 或者一步到位: a=123.456; a=num2str(a); ...
import java.util.Scanner; //给一个不多于5位的正整数,要求:一、求它是几位数,二、逆序打印出各位数字。 public class Test { public static void main(String[] args) { Scanner sc = new ...
EXCEL导入文本包含长数字,后面的几位会变成0 在导入的第3步,选中该列,然后设置为文本,再导入。 导入的数据就变成文本格式 ...