Please make it so that this code reads a file instead of being hard coded. The array is currently hard coded but needs to read any file, not just 1.

import java.io.File;

import java.io.FileNotFoundException;

import java.util.Scanner;

public class JaggedGridReader {

private char[][] grid; // 2D array of characters to store the grid read from file

private String fileName; // name of the file to be read

// constructor

public JaggedGridReader(String fileName) {

this.fileName = fileName;

readFile(); // call method to read the file and store data in grid

}

// private method to read the file and store data in grid

private void readFile() {

try {

// create a Scanner object to read the file

Scanner scanner = new Scanner(new File(fileName));

int numRows = 0;

// loop through each line of the file to get the number of rows

while (scanner.hasNextLine()) {

numRows++;

scanner.nextLine();

}

scanner.close(); // close the scanner

scanner = new Scanner(new File(fileName));

// initialize the grid with the number of rows

grid = new char[numRows][];

for (int i = 0; i < numRows; i++) {

String line = scanner.nextLine();

grid[i] = line.toCharArray(); // convert each line to character array and store in grid

}

scanner.close(); // close the scanner

} catch (FileNotFoundException e) {

grid = null; // set grid to null if file not found

}

}

// override toString method to return grid as string

public String toString() {

StringBuilder builder = new StringBuilder();

// loop through each row and each character of the row

for (int i = 0; i < grid.length; i++) {

for (int j = 0; j < grid[i].length; j++) {

builder.append(grid[i][j]); // append each character to builder

}

builder.append(" "); // add new line after each row

}

return builder.toString(); // return the string representation of grid

}

// method to get a copy of the grid

public char[][] getCopy() {

if (grid == null) {

return null; // return null if grid is null

}

char[][] copy = new char[grid.length][];

for (int i = 0; i < grid.length; i++) {

copy[i] = grid[i].clone();

}

return copy;

}

public String getFileName() {

return fileName;

}

}