Addition of two Matrices

class ArrayDemo5
{
static void MatrixAdd(int x[][], int y[][])
{
int i, j;
for(i=0;i<x.length;i++)
{
for(j=0;j<x[i].length;j++)
{
System.out.print(" " + x[i][j] + " ");
}
System.out.print("     ");
for(j=0;j<x[i].length;j++)
{
System.out.print(" " + y[i][j] + " ");
}
System.out.println(" ");
}
for(i=0;i<x.length;i++)
{
for(j=0;j<x[i].length;j++)
{
System.out.print(" ");
System.out.print(x[i][j]+y[i][j]);
System.out.print(" ");
}
System.out.println("\t");
}
}
public static void main(String... S)
{
MatrixAdd((new int[][]{{1,2,3},{4,5,6},{7,8,9}}),(new int[][]{{4,5,6},{7,8,9},{1,2,3}}));
}
}