15230. 알파벳 공부 JAVA

https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=3&contestProbId=AYLnMQT6vPADFATf&categoryId=AYLnMQT6vPADFATf&categoryType=CODE&problemTitle=&orderBy=FIRST_REG_DATETIME&selectCodeLang=JAVA&select-1=3&pageSize=10&pageIndex=1 

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

public class SWEA15230 {
	public static final String alpabet = "abcdefghijklmnopqrstuvwxyz";
	
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int T = Integer.parseInt(br.readLine());
		
		for (int i = 1; i <=T; i++) {
			String str = br.readLine();
			int correct_cnt = 0;
			
			for (int x=0; x<str.length(); x++) {
				if (str.charAt(x) != alpabet.charAt(x)) {
					break;
				}
				
				correct_cnt += 1;
			}
			
			System.out.printf("#%d %d\n", i, correct_cnt);
		}
	}
}