/*--------------
 Ex8_1.java
 2次元配列の基本
 ---------------*/
package jp_bunkyo;

public class Ex8_1 {
	public static void main(String[] args) {
		int[][] a = new int[5][3];
		char[][] b = new char[5][5];
		int i, j;

		a[0][0] = 5;
		a[3][2] = 4;
		a[2][1] = 1;
		a[4][0] = 7;

		// 2次元配列の中身を表示
		for (i = 0; i < 5; i++) {
			for (j = 0; j < 3; j++) {
				System.out.print(" " + a[i][j]);
			}
			System.out.println();
		}

		// 2次元配列の初期化：空白を代入
		for (i = 0; i < 5; i++) {
			for (j = 0; j < 5; j++) {
				b[i][j] = '　';
			}
		}
		b[1][0] = '●';
		b[0][3] = '○';
		b[3][2] = '●';
		b[4][1] = '○';
		b[3][4] = '●';
		b[2][4] = '○';

		System.out.println("----------------");
		for (i = 0; i < 5; i++) {
			for (j = 0; j < 5; j++) {
				System.out.print("|" + b[i][j]);
			}
			System.out.println("|");
			System.out.println("----------------");
		}
	}
}