public MatrixMock(int size, int length, int number) {
		int counter = 0;
		data = new int[size][length];
		Random random = new Random();
		for (int i = 0; i < size; i++) {
			for (int j = 0; j < length; j++) {
				data[i][j] = random.nextInt(10);
				if (data[i][j] == number) {
					counter++;
				}
			}
		}
		System.out.printf(
				"There are %d ocurrences of number %d in generated data.\n",
				counter, number);
	}