package java0824_array;

/*
 *  1	 2	 3	 4	 5
 *  6	 7	 8	 9	10
 * 11	12	13	14	15
 * 16	17	18	19	20
 
 [출력결과]
 
   1   2   *   4   5
   *   7   8   *  10
  11   *  13  14   *
  16  17   *  19  20

 */

public class Java050_array {

	public static void main(String[] args) {
		int[][] num = new int[4][5];
		int cnt = 1;

		for (int row = 0; row < num.length; row++) {
			for (int col = 0; col < num[row].length; col++) {
				num[row][col] = cnt++;
			}
		}

		///////////////////////////////////////////////////////////

		for (int row = 0; row < num.length; row++) {
			for (int col = 0; col < num[row].length; col++) {
				if (num[row][col] % 3 == 0) {
					System.out.printf("%4c", '*');
				} else {
					System.out.printf("%4d", num[row][col]);
				}
			}
			System.out.println();
		}

	}

}