题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); String a = in.nextLine(); int b = in.nextInt(); System.out.println(a.substring(0, b)); in.close(); } }