[Baekjoon Online Judge] 2902 - KMP는 왜 KMP일까? / Java

https://www.acmicpc.net/problem/2902

2902번: KMP는 왜 KMP일까?

풀이

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb = new StringBuilder();
		
		StringTokenizer st = new StringTokenizer(br.readLine(), "-");
		char ch;
		
		while(st.hasMoreTokens()) {
			ch = st.nextToken().charAt(0);
			sb.append(ch);
		}
		
		System.out.println(sb);
	}
}