题解 | #计算整数位数#
计算整数位数
http://www.nowcoder.com/practice/07232b8720614f7ea185391d1a7206eb
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int num = scan.nextInt(); scan.close(); //write code here...... if(num>0) { String str=String.valueOf(num); System.out.println(str.length()); }else{ System.out.println(num); } } }