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+import java.util.Scanner;%0Aimport java.io.*;%0A%0Apublic class FileReader %7B%0A%09%0A%09public static void main(String args%5B%5D) throws IOException %7B%0A%09%09System.out.print(%22Enter filename: %22);%0A%09%09Scanner input = new Scanner(System.in);%0A%09%09Scanner file = new Scanner(new File(input.nextLine()));%0A%09%09%0A%09%09RPLStack stack = new RPLStack();%0A%09%09%0A%09%09while (file.hasNext()) %7B%0A%09%09%09CommandParser.parse(stack, file.nextLine());%0A%09%09%7D%0A%09%09%0A%09%09stack.repl();%0A%09%7D%0A%7D%0A

Create FileReader.java