Populating a 2D Array

What are the contents of the matrix array after the following code segment is executed?

int[][] matrix = new int[5][5];

for (int i = 0; i < matrix.length; i++)
{
      for (int j = 0; j < matrix[0].length; j++)
      {
            matrix[i][j] = (i + 1) * (j + 1);
      }
}