Why did we use the PrintStream and Scanner classes for file output and input, respectively? A They're the only classes available for file input and output. B They allow us to use the same input and output method call formats we used for keyboard input and display output.
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AThey're the only classes available for file input and output.
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BThey allow us to use the same input and output method call formats we used for keyboard input and display output.
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CThose are not classes we used for file input and output.
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DOnly the PrintStream class can create a file that the Scanner class can read.
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- SO I NEED INPUTTING THIS FILE FOR THE OUTPUT TO BE THE SAME AS THE INCLUDED DOCUMENT. I POSTED THE FILE AT THE BOTTOM OF THE CODE TOO. import java.io.File;import java.io.FileNotFoundException;import java.util.ArrayList;import java.util.Scanner; public class WordCount {//______________________public static ArrayList<String> readFile(String fileName) throws FileNotFoundException {ArrayList<String> list=new ArrayList<String>();File file=new File(fileName);Scanner sc=new Scanner(file);String word;while(sc.hasNext()) {word=sc.next();list.add(word);}sc.close();return list;}//______________________public static int differentWords(ArrayList<String> list) {for(int i=0;i<list.size();i++) {for(int j=0;j<list.size();j++) {if(list.get(i).equals(list.get(j)))list.remove(j);}}return list.size();}//_______________________public static void sort(ArrayList<String> list) {int i,j;String key;int n=list.size();for (i = 1; i < n; i++){key = list.get(i);j = i - 1;while…This is a debugging question I am struggle with - The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. Code - public class DebugMusical extends DebugPlay { protected String composer; DebugMusical(String title, String author, String comp) { composer = comp; } public void display() { System.out.println("The performance is " + title + " by " + author + "\nThe music for " + title + " is by " + composer); } } ------ public class DebugPlay { protected String title; protected String author; public DebugPlay(String title, String author) { title = title; author = author; } public void display() { System.out.println("The performance is " + title + " by " + author); } } ----- // A Play has a title and author // A Musical…Hey, this is my code below and I cannot seem to get the import.java.io.*; to create and save information on a txt file. Any help would be great. There is a person class with get and set for firstname, lastname, etc. However I could not fit it in due to space. Code in bold is what I tried for the txt. import java.io.FileNotFoundException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.Scanner; import mainInterface.Interface; public class StaffManager { protected static ArrayList<Staff> Staffs = new ArrayList<Staff>(); public static void main(String[] args) throws FileNotFoundException{ staffManMenu(); //Call writeToFile writeToFile(); } // method to write the staff data to a file titled StaffFile.txt public static void writeToFile() throws FileNotFoundException{ //create object PrintWriter write = new PrintWriter(new File("StaffData.txt")); for(Staff s : Staffs) { write.println("First Name: "…
- . System and Scanner are predefined classes but why we write import statement for Scanner class only ??This is a debugging question I am struggle with - The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. Code - public class DebugExtendedVacation isChiddOf DebugVacation { public FixDebugExtendedVacation { days = 30; } } ------- // A Vacation is 10 days // but an ExtendedVacation is 30 days public class DebugTen2 { public static void main(String args[]) { DebugVacation myVacation = new DebugVacation(); DebugExtendedVacation yourVacation = new DebugExtendedVacation(); System.out.println("My vacation is for " + myVacation.getDays + " days"); System.out.println("Your vacation is for " + yourVacation.getDays() + " days"); } } ------------- public class DebugVacation { protected int days; public DebugVacations() { days = 10; }…This is a debugging question - The files provided in the code editor to the right contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly. You also will use a file named DebugEmployeeIDException.java with the DebugTwelve4.java file. Code I was given- public class DebugEmployeeIDException extends Exception { public DebugEmployeeIDException() { super(s); } } // An employee ID can't be more than 999 // Keep executing until user enters four valid employee IDs // This program throws a FixDebugEmployeeIDException import java.util.*; public class DebugTwelve4 { public static void main(String[] args) { Scanner input = new Scanner(System.in); String inStr, outString = ""; final int MAX = 999; int[] emps = new int[4]; for(x = 0; x < emps.length; ++x) { System.out.println("Enter employee ID number"); inStr =…
- Modify java code for Hw5 (stock,each csv file has headings: Date,Open,High,Low,Close, Adj Close,Volume) to count and print the number of days there is gain (increase from open to close price) of 2% or more of stock price. Also count and print the number of days the High is 30% bigger than Low. Also, find and print the average volume for the trading days where there is gain. Make sure each print occupies a single line, and all lines are lined up such that the label for each information requested is left aligned, and the decimal points are all aligned. import java.util.*; import java.io.*; public class StockData { public static double average(ArrayList<Double> prices) { double total = 0; double average; for (int i = 0; i < prices.size(); i++) { total = total + prices.get(i); } if (prices.size() > 0) { average = total / prices.size(); return average; } else { return 0; } } public static double min(ArrayList<Double>prices) { double min = prices.get(0); for (int i = 1; i…REUPLOAD: I need to fill the program to its designated output I have inserted sample runs and the template of codes that will be used(?) Thank you! I TYPED DOWN THE CODE W/ THE PICTURE ATTACHED: import java. util. Formatter;import java. util. Scanner;public class Chupapi {private static Formatter output;public static void main (String[] args) throws Exception {output = new Formatter("output.txt");Scanner in = new Scanner(System.in);} // This method has one parameter and will return the string with all uppercase characters.public static String toUpperCase(String str) {// This method has one parameter and will return the number of vowels in the string.public static int countVowels(String str) {int numvowels = 0;return numvowels;}// This method has one parameter and Witt return true if the string is o pot indrome,// fotse if the string is not o potindrome.public static boolean isPalindrome(String str){boolean isReversible;return isReversible;}//This method hos three porometers and will…I need help with fixing this java program as described in the image below: import java.util.Scanner;import java.io.FileInputStream;import java.io.IOException; public class LabProgram { public static void main(String[] args) throws IOException { Scanner scnr = new Scanner(System.in); // Read the file name from the user String fileName = scnr.nextLine(); // Open the CSV file try (Scanner fileScanner = new Scanner(new FileInputStream(fileName))) { while (fileScanner.hasNextLine()) { // Read each line from the CSV file String line = fileScanner.nextLine(); // Split the line into showtime, title, and rating String[] movieData = line.split(","); // Extract showtime, title, and rating String showtime = movieData[0]; String title = movieData[1].length() > 44 ? movieData[1].substring(0, 44) : movieData[1]; String rating = movieData[2]; // Print the…
- I need help: Write a complete working java program in a class named Driver that opens a file named ex2.txt, reads in every line from the file and prints out each line with the text ">>>" at the start of each line. In other words, if the file ex2.txt contains the text: Write a complete working java program in a class named Driver that opens a file named ex2.txt, reads in every line from the file and prints out each line with the text ">>>" at the start of each line. Then the output should be: >>>Write a complete working java program in a class >>>named Driver that opens a file named >>>ex2.txt, reads in every line from the >>>file and prints out each line with the text >>>">>>" at the start of each lineUsing the Card.java class file, write a program to simulate a Deck of Cards. See Programming Project 8.7 (PP 8.7) from page 403 of your textbook (or view the attached image) for a description of what your program needs to do. Note that although the book description of the problem states that you should write the Card class, I do not want you to do that. You must use the Card file exactly as it is provided (NO modifications) and only write the DeckOfCards and Driver classes. public class Card{public final static int ACE = 1;public final static int TWO = 2;public final static int THREE = 3;public final static int FOUR = 4;public final static int FIVE = 5;public final static int SIX = 6;public final static int SEVEN = 7;public final static int EIGHT = 8;public final static int NINE = 9;public final static int TEN = 10;public final static int JACK = 11;public final static int QUEEN = 12;public final static int KING = 13; public final static int CLUBS = 1;public final static int DIAMONDS =…WAKA, WAKA. Pac-Man was a big hit back in the 80s. One of the things he could do was “teleport” from one side of the screen to the other, and that’s what we’re going to implement here. For this program, you’re going to write a class that only has two attributes: an X and Y location. Imagine the player is on a 10x10 grid. If the player exceeds the bounds of the screen, their location teleports to the other side of the screen (e.g. far-right players go to the far-left). The class should include methods for going up, down, left and right. Finally, you should make a “driver” that brings an instance of this class to life in the middle of the “screen” and enables the player to move up, down, left and right. Implement (source code) this program. C++ Please
