A file named ClassData.txt contains records of several students. Each record contains student's name followed by four tests scores each score is out of 100. |ClassData.txt Ali 80 89 95 75 Yusuf 77 85 89 98 Huda 74 75 72 71 Fatima 99 98 95 96 Write a Java program that reads the data from the file and calculate the average of the four test then program should print on the screen Student name with average greater than 60 ONLY.
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- QUESTION 2 Write a void method which will accept two parameters, your first name and last name. It will then print out a sentence “Hello World from {your first name} {your last name}!”. Call the method from main(). Read all rows from a file. Test whether that row is palindrome or not. Write validation (true or false) to a new file. Each row of the new file contains the validation result of the corresponding row in the input file. For example, if the input file is: racecar truck motom The output file should be: true false true Plz answer both questions using java ruleChapter 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\nAsk the user for a filename. Display the oldest car for every manufacturer from that file. If two cars have the same year, compare based on the VIN. i am having trouble getting my code to work this is my code: import java.util.*;import java.io.*;class Car {String manufacturer;String model;int year;String vin;public Car(String manufacturer, String model, int year, String vin) {super();this.manufacturer = manufacturer;this.model = model;this.year = year;this.vin = vin;}public String getManufacturer() {return manufacturer;}public void setManufacturer(String manufacturer) {this.manufacturer = manufacturer;}public String getModel() {return model;}public void setModel(String model) {this.model = model;}public int getYear() {return year;}public void setYear(int year) {this.year = year;}public String getVin() {return vin;}public void setVin(String vin) {this.vin = vin;}}class CarComparator implements Comparator < Car > {@Overridepublic int compare(Car car1, Car car2) {int yearCompare =…
- 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 }COMPUTER SCIENCE 130 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 double_input1.txt double_input2.txt 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.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…This is in Java please: A comma separated value (.csv) file has been included to be used for this program. Each line contains two values, a name and a number separated by a comma (except the first line, which contains the titles for the value types). The name is that of a writer and the number refers to the number of works the writer has written. Ex. Jane Austen,6. Each line is an entry and each entry number can be updated by identifying the associated name. Once complete, the following program opens data file allWorks.csv and asks if the user wants to update entries or add new entries. All entries are stored in an array while being read in and updated. The program then writes the array to the file, overwriting the original contents. The following TODO sections must be completed. Open allWorks.csv for reading/input. Locate an entry to be updated by name (use the Java String indexOf() method) Add a new entry if the name isn't found in the file (give the entry a new number) Open file…
- Complete the following program that reads a file (where the file name is provided tothe main method as parameter) that contains the students’ information, adds 2 to thetotal marks (without updating the file), and prints student information and whether ispassed or not. public class ProcessGrades { public static void main(String[] args) throws Exception { String fileName = args[0]; Scanner s = new Scanner(Paths.get(fileName)); while(s.hasNext()) { // add you code here } }}You must pass the name of the file as option while running the file. So you can run yourprogram using a command line similar to: java ProcessGrades results.txtIt is supposed to have the following output (after running the program):100 Fahd 95.00 Passed101 Omar 52.00 Failed102 Anas 60.00 PassedWrite a JAVA program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20. Assume also the last names and first names do not contain whitespaces. The program performs the following tasks: Read the file name of the tsv file from the user. Open the tsv file and read the student information. Compute the average exam score of each student. Assign a letter grade to each student based on the average exam score in the following scale: A: 90 =< x B: 80 =< x < 90 C: 70 =< x < 80 D: 60 =< x < 70 F: x < 60 Compute the average of each exam. Output the last names, first names, exam scores, and letter grades of the…In Java, the File class is used to represent the data in a directory entry. Write a program that uses the File class to print all the attributes of a file.
- Create a simple java program that reads all the content in a .txt file, the user will enter the filename to be opened. In this case, the file will contain multiple lines of student details with each line containing a single student detail. Your task is to then create a student class that models the firstname, lastname, year of birth and gender of every student. The student class should further be able to assign every student created with a student number using a class variable[format is 2022000X, X is a number such as 1,2..] and be able to calculate the age of each student. Within the driver class add all the students read from file into an ArrayList and then print the first and last student in the list. You are additionally expected to deal with most common exceptionsfile operator code 1 // The FileOperator class that includes methods for file input and output 2 // Maham Hameed 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 }Ask the user for a filename. Display the oldest car for every manufacturer from that file. If two cars have the same year, compare based on the VIN. I am having trouble with my code import java.io.File; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.Scanner; class Car { String manufacturer; String model; int year; String vin; public Car(String manufacturer, String model, int year, String vin) { this.manufacturer = manufacturer; this.model = model; this.year = year; this.vin = vin; } public String getManufacturer() { return manufacturer; } public void setManufacturer(String manufacturer) { this.manufacturer = manufacturer; } public String getModel() { return model; } public void setModel(String model) { this.model = model; } public int getYear() { return year; } public void setYear(int year) { this.year = year; } public String getVin() { return vin; } public void setVin(String vin) { this.vin = vin; } } public class Demo { public static void…