/*  Write a program to perform matrix multiplication.  In matrix *, entry c[i][j] = a[i][0] * b[0][j] + a[i][1] * b[1][j] + a[i][2] * b[2][j] + ... for i and j from 0 to n-1 */

public class Prog8_6
{
	public static void main(String[] args)
	{
		int[][] a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};		// create the two matrices to add
		int[][] b = {{1, 3, 5}, {2, 4, 1}, {3, 2, 1}};
		int n = 3;											// the two matrices are 3x3
		int[][] c = new int[n][n];							// create an array to store the matrix addition
		for(int i=0;i<n;i++)								// for each row
			for(int j=0;j<n;j++)							// for each column
				for(int k=0;k<n;k++)						// step through 0 to n-1 to do the computation
					c[i][j]+=a[i][k]*b[k][j];
		for(int i=0;i<n;i++)					// output the result in matrix form
		{	
			for(int j=0;j<n;j++)
				System.out.printf("%5d", c[i][j]);
			System.out.println();
		}
				
	}
}