204. 배열의 ==와 Arrays.equals 비교

1import java.util.Arrays;
2 
3public class Main {
4    public static void main(String[] args) {
5        int[] a = {1, 2, 3};
6        int[] b = {1, 2, 3};
7        int[] c = a;
8        System.out.println(a == b);
9        System.out.println(a.equals(b));
10        System.out.println(Arrays.equals(a, b));
11        c[0] = 9;
12        System.out.println(a == c);
13        System.out.println(a[0] + b[0]);
14    }
15}