public class File_In_36

{

private String filename;

public int[][] matrix()

{

// 1. matrix will call scan_File to determine whether or not the file

// name entered by the user actually exists

// 2. matrix will call size_matrix to determine the number of integers

// in the input file and set the instance variable matrix_size to that

// number

// 3. matrix will call check_square to determine whether or not matrix_size

// has the exact number of integers required for a square matrix

// {4, 9, 16, 25, 36 ...}

// 4. If the matrix is square, method matrix will call form_matix and return

// a reference to a two dimensional square array; else it will return null

System.out.println("The filename passed to matrix = " + filename);

int[][] dummy = new int[4][4];

return dummy;

}

}