for(int i=1; i < n; i++) 누락
public class Main { static void func(String[] m, int n) { for (int i = 1; i < n; i++) { if (m[i-1].equals(m[i])) { System.out.print("O"); } else { System.out.print("N"); } } for (String mo : m) { System.out.print(mo); } } public static void main(String[] args) { String[] m = new String[3]; m[0] = "A"; m[1] = "A"; m[2] = new String("A"); func(m, 3); } }
for(int i=1; i < n; i++) 누락