The name of a class file ends with which of the following filename extensions? a. .cla b. .cls c. .vb d. None of the above.
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The name of a class file ends with which of the following filename extensions?
a. .cla
b. .cls
c. .vb
d. None of the above.
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- C++ Language Please fill in the blanks for the following statements: The file extension for the file that contains the class definition is ______________.file operator code 1 // The FileOperator class that includes methods for file input and output 2 // Your name 3 import java.io.*; 4 public class FileOperator 5 { 6 // instance variables 7 private File m_file; 8 9 // constructor 10 // Do not make any changes to this method! 11 public FileOperator() 12 { 13 String fileName = "employeeData.txt"; 14 m_file = new File(fileName); 15 } 16 17 // This method writes an array of Employees into a physical file. 18 // Each line is in this format: "S-Optimus Prime-Computer Science-$1200" 19 // "S" represents StudentWorker ("F" represents Faculty) 20 public void writeFile(Employee[] employees) 21 { 22 // TODO: implement this method 23 } 24 }Chapter 4. PC #14. Line Numbers (page 265) Write a java program that asks the user for the name of a file. The program should display the contents of the file with each line preceded with a line number followed by a colon. The line numbering should start at 1. I should be easily type input1.txt and easily print out the output in Eclipse. Please enter the file name or type QUIT to exit:\nquitENTER Test Case 2 Please enter the file name or type QUIT to exit:\nbadfilename.txtENTERFile: badfilename.txt does not exist.\nPlease enter the file name again or type QUIT to exit:\nquitENTER Test Case 3 Please enter the file name or type QUIT to exit:\ninput1.txtENTER1: a\n2: b\n3: c\n4: d\n
- JAVA PROGRAM Chapter 4. Homework Assignment (read instructions carefully) Write a program that asks the user for the name of a file. The program should read all the numbers from the given file and display the total and average of all numbers in the following format (three decimal digits): Total: nnnnn.nnn Average: nnnnn.nnn Class name: FileTotalAndAverage PLEASE FIX AND MODIFY THIS JAVA SO WHEN I UPLOAD IT TO HYPERGRADE IT PASSES ALL TEST CASSES PLEASES. RIGHT NOW IT SAYS 0 OUT 3 PASSED. THE PICTURES THAT I PROVIDED PROOF THAT WHEN I UPLOAD IT TO HYPERGRADES IT FAILS TEST CASSES. THANK YOU. import java.io.*;import java.util.Scanner;public class FileTotalAndAverage { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("Please enter the file name: "); while (true) { String fileName = scanner.nextLine(); File file = new File(fileName); if (file.exists() &&…Create a flowchart and modify the code. INSTRUCTION: Create a new class called CalculatorWithMod. This class should be a sub class of the base class Calculator. This class should also have an additional method for calculating the modulo. The modulo method should only be seen at the sub class, and not the base class! Include exception handling for instances when dividing by 0 or calculating the modulo with 0. You would need to use throw, try, and catch. The modulo (or "modulus" or "mod") is the remainder after dividing one number by another.Example: 20 mod 3 equals 2Because 20/3 = 6 with a remainder of 2 CODE TO COPY: #include <iostream> using namespace std; class Calculator{public:Calculator(){printf("Welcome to my Calculator\n"); } int addition(int a, int b);int subtraction(int a, int b);int multiplication(int a, int b);float division(int a, int b);}; int Calculator::addition(int a, int b){return (a+b);} int Calculator::subtraction(int a, int b){return (a-b);} int…2. Create a contacts module to meet the following requirements: i. Create a file named contacts.py . a. Define a class named Contacts. a. Define a member function named __init___ to meet the following requirements: a. Take a self as a positional parameter. b. Take a filename as a keyword parameter. c. Set a member variable equal to the filename. d. Set a member varialbe equal to an empty data dictionary. e. Open the filename and load the JSON decoded contents to the empty data dictionary. f. Cleanly manage the FileNotFoundError if the filename does not exist. b. Define a member function named add_contact to meet the following requirements: a. Take a self as a positional parameter. b. Take a id as a keyword parameter. c. Take a first_name as a keyword parameter. d. Take a last_name as a keyword parameter. e. If the id exists in the data dictionary, return the string error. f. Set the id:[first_name, last_name] key:value pair to the data dictionary. g. Sort the data dictionary in…
- C2- Write a Python program that reads the contents of a file named ‘Book.txt’ (you must write exception handling if the file doesn’t exist) The program should also determine and print the following: The number of words in the file The number of distinct words (without repetition) The number of uppercase letters in the file The number of lowercase letters in the file The number of digits in the file The number of whitespace characters in the filefor c++ please need three files employee.h productionWorker.h cpp file NB: NEED ANSWER THE EXCEPTION PROJECT. here is chapter 15 required 15, Employee and ProductionWorker Classes Design a class named Employee. The class should keep the following information in • Employee name • Employee number • Hire date Write one or more constructors and the appropriate accessor and mutator functions for the class. VideoNote Solving the Employee and ProductionWorker Classes Problem Programming Challenges 963 Next, write a class named ProductionWorker that is derived from the Employee class. The ProductionWorker class should have member variables to hold the following information: • Shift (an integer) • Hourly pay rate (a double ) The workday is divided into two shifts: day and night. The shift variable will hold an integer value representing the shift that the employee works. The day shift is shift 1, and the night shift is shift 2. Write one or more constructors and the appropriate accessor and…JAVA PROGRAM Chapter 4. Homework Assignment (read instructions carefully) Write a program that asks the user for the name of a file. The program should read all the numbers from the given file and display the total and average of all numbers in the following format (three decimal digits): Total: nnnnn.nnn Average: nnnnn.nnn Class name: FileTotalAndAverage PLEASE FIX AND MODIFY THIS JAVA SO WHEN I UPLOAD IT TO HYPERGRADE IT PASSES ALL TEST CASSES PLEASES. RIGHT NOW IT SAYS 0 OUT 3 PASSED. THE PICTURES THAT I PROVIDED PROOF THAT WHEN I UPLOAD IT TO HYPERGRADES IT FAILS TEST CASSES. THANK YOU. import java.io.*;import java.util.Scanner;public class FileTotalAndAverage { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("Please enter the file name: "); while (true) { String fileName = scanner.nextLine(); File file = new File(fileName); if (file.exists() &&…
- JAVA PROGRAM Chapter 4. Homework Assignment (read instructions carefully) Write a program that asks the user for the name of a file. The program should read all the numbers from the given file and display the total and average of all numbers in the following format (three decimal digits): Total: nnnnn.nnn Average: nnnnn.nnn Class name: FileTotalAndAverage PLEASE FIX, CHANGE AND MODIFY THIS JAVA PROGRAM SO WHEN I UPLOAD IT TO HYPERGRADE IT PASSES ALL TEST CASSES PLEASES. RIGHT NOW IT SAYS 0 OUT 3 PASSED. THE PICTURES THAT I PROVIDED PROOF THAT WHEN I UPLOAD IT TO HYPERGRADES IT FAILS TEST CASSES. THANK YOU. import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.util.InputMismatchException;import java.util.Locale;import java.util.Scanner;public class FileTotalAndAverage { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String fileName; do {…Python3 code: Create a simple text file called mycandy The first line of the file will be Candy Name, Candy Calories, Total Fat Grams Next, add five lines to the file by hand using your favorite five candy bars information. Each line's data will be separated by commas. Create a class called Candy which keeps track of the three pieces of information Read in the file line by line and create a Candy class instance for each candy bar you have, and add that new instance to a list. Once you have the list created, loop through the list and print the candy bar info out to the console Add a line of code to append one more candy bar’s information to your mycandy file. Show what your new text file looks like after the append
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