글
(10) 문제
JAVA/간단한 코드
2018. 10. 29. 19:14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | package Studypackage; public class studyclass { // System.out.print("@"); 명령어로 아래처럼 출력하기 /* * 1) 2) 3) * @@@@ @ @@@@ * @@@@ @@ @@@ * @@@@ @@@ @@ * @@@@ @@@@ @ */ public static void main(String[] args) { int i , j; for(i=0;i<4;i++) { for(j=0;j<4;j++) { System.out.print("@"); } System.out.println(); } System.out.println(); for(i=0;i<4;i++) { for(j=0;j<=i;j++) { System.out.print("@"); } System.out.println(); } System.out.println(); for(i=4;i>0;i--) { for(j=0;j<i;j++) { System.out.print("@"); } System.out.println(); } } } | cs |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | package Studypackage; import java.util.Arrays; import java.util.Random; public class studyclass { public static void main(String[] args) { Random random = new Random(); int[][] score = new int[3][5]; int sum = 0; for(int i =0;i<score.length;i++) { for(int j=0;j<score[0].length;j++) { score[i][j] = random.nextInt(100) + 1; sum += score[i][j]; // i 값 같고 j는 0~4 } System.out.println(Arrays.toString(score[i]) + " 합계 = " + sum); sum = 0; } } } | cs |