For-each

package For_Each;

public class Arr {

	public static void main(String[] args) {
//		String[] arData = {"안녕", "반가워", "이름이", "뭐니?"};
		
//		for(String i : arData) {
//			System.out.println(i);
		
		
	
		int[][] arrScore = {
				{10,20,30},	
				{11,24,39},
				{12,26,38},
				{13,27,37},
				{14,28,36}
		};
		int cnt = 0;
		int total = 0;
		double avg = 0.0;
		//각 학생별 총점과 평균 출력하기
		//빠른 for문으로
		for(int[] arScore : arrScore) {
			total = 0;
			cnt++;
			for(int score : arScore) {
				total += score;
			}
			System.out.println("총점:" + cnt + "번 :" + total);
			avg = Double.parseDouble(String.format("%.2f", (double)total / arScore.length));
			System.out.println("평균:" + cnt + "번 :" + avg);
		}
		
	}
}