缩写
缩写
https://www.nowcoder.com/questionTerminal/5082d54f177a4d469fbee358da014e1e?f=discussion
import java.util.Scanner; public class Solution { public static void main(String args[]) { Scanner sc = new Scanner(System.in); String str = sc.nextLine(); for (String s : str.split("\\s+")) { System.out.print(s.charAt(0)); } } }