Write a program that simulates a Magic 8 Ball, which is a fortune-telling toy that displays a random response to a yes or no question. In the student sample programs for this book, you will find a text file named 8_ball_responses. txt. The file contains 12 responses, such as "I donât think so," "Yes, of course!," "Iâm not sure," and so forth. The program should read the responses from the file into an array or ArrayList object. It should prompt the user to ask a question, and then display one of the responses, randomly selected from the array or ArrayList object. The program should repeat until the user is ready to quit. You will need to create two .java files for this assignment: a Magic 8 Ball Class and a Demo class. All methods should be documented with javadoc style comments. Contents of 8_ball_responses. txt:Yes, of course!Without a doubt, yes. You can count on it. For sure!Ask me later. Iâm not sure. I canât tell you right now. Iâll tell you after my nap. No way!I donât think so. Without a doubt, no. The answer is clearly NO.

This question involves a class named textfile that represents a text file. public class textfile { private string filename; private string filename; private arraylist words; // constructors not shown // postcondition: returns the number of bytes in this file public int filesize() { } // precondition: 0 < = index < words.size() // postcondition: removes numwords words from the words arraylist beginning at // index. public void deletewords(int index, int numwords) { } // precondition: 0 < = index < = words.size() // postcondition: adds elements from newwords array to words arraylist beginning // at index. pub lic voidaddwords(int index, string[] newwords) { } // other methods not shown } complete the filesize() method. the filesize() is computed in bytes. in a text file, each character in each word counts as one byte. in addition, there is a space in between each word in the words arraylist, and each of those spaces also counts as one byte. for example, suppose the words arraylist stores the following words: { mary had a little lamb; its fleece was white as snow. } the filesize() method would compute 4 + 3 + 1 + 6 + 5 + 4 + 6 + 3 + 5 + 2 + 5 as the sum of the lengths of each string in the arraylist. the value returned would be this sum plus 10, because there would also be 10 spaces in between the 11 words. complete the filesize() method below: // postcondition: returns the number of bytes in this file public int filesize() { }