Create a method that have 2 parameters : a filename and a lowercase letter.
1) print all the lines in the file that start with the uppercase or lowercase letter. Use str.toLowerCase() to get string that converted all the letter to lowercase( Example: the letter 'b' would match the line starting with "Boy" or "back".
2)Return the number of lines that you have printed
3)Printing a message if any exceptions occur
4)Create a main method to the class to test the function. ( copy paste any paragraph to a txt file to test the method)