Matrix multiplication class (actual multiplication)

gistfile1.txt

package com.bcchack.ap;

public class MatrixMultiply {
	public static int[][] multiplyMatrices(int[][] a, int[][] b)
	{
		int[][] ret = new int[a.length][b[0].length];
		for (int row = 0; row < a.length; row++)
		{
			for (int col = 0; col < b[0].length; col++)
			{
				for (int col2 = 0; col2 < a[0].length; col2++)
				{
					ret[row][col] += a[row][col2] * b[col2][col];
				}
			}
		}
		return ret;
	}
}