109. 문자열 길이·글자 꺼내기·비교

1public class Main {
2    public static void main(String[] args) {
3        String a = "apple";
4        String b = "Apple";
5        System.out.println(a.length());
6        char first = a.charAt(1);
7        char last = a.charAt(a.length() - 1);
8        System.out.println(first + " " + last);
9        System.out.println(a.equals(b) + " " + a.equals("apple"));
10    }
11}