JAVA)10820번 문자열 분석 - Character 클래스의 메소드, eof 처리

starmk95 2020. 8. 18. 19:52

import java.io.*;

public class Main {
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String temp;
        while ((temp = br.readLine()) != null) { // eof 처리
            int upper = 0;
            int lower = 0;
            int num = 0;
            int space = 0;
            for (int i=0;i<temp.length();i++){
                char c = temp.charAt(i);
                if (Character.isUpperCase(c)) upper+=1;
                else if (Character.isLowerCase(c)) lower+=1;
                else if (Character.isDigit(c)) num+=1;
                else if (Character.isSpaceChar(c)) space+=1;
            }
            System.out.printf("%d %d %d %d\n", lower, upper, num, space);
        }
    }
}