for문을 for(int value: a) 로 사용 import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String args[]){ Scanner in=new Scanner(System.in); int a[] = new int[9]; int max=0, index=0, count=0; for(int i=0; imax) { max = value; index = count; } } System.out.println(max); System.out.println(index); } }