package java0824_array; /* * [데이타] * 홍길동 90 85 40 * 갑동이 100 35 70 * * [출력결과] * 홍길동 90 85 40 215 71.7 * 갑동이 100 35 75 210 70.0 */ public class Java049_array { public static void main(String[] args) { String[] name = new String[] { "홍길동", "갑동이" }; int[][] jumsu = new int[][] { { 90, 85, 40 }, { 100, 35, 75 } }; int[] sum = new int[jumsu.length]; double[] avg = new double[jumsu.length]; for (int row = 0; row < jumsu.length; row++) { System.out.printf("%s\t", name[row]); for (int col = 0; col < jumsu[row].length; col++) { System.out.printf("%4d", jumsu[row][col]); sum[row] += jumsu[row][col]; } avg[row] = sum[row] / (double) jumsu[row].length; System.out.printf("%4d %4.1f\n", sum[row], avg[row]); } } }