Object Oriented Programming

20 - Fill each of the following blanks with one of the words given in the list below: {Scanner, File, PrintWriter} 1) --class contains the method for cheking whether a file exits. --class is used to write data into a text file. II) ---class is used to read data from a text file. a) O 1) File, II) Scanner, III) PrintWriter b) O 1) PrintWriter, II) Scanner, III) File C) I) Scanner, II) PrintWriter, III) File d) O 1) File, II) PrintWriter, III) Scanner