2023 write a program that administers and grades quizzes A quiz consists of questions There are four types of questions | Assignment Collections
Computer Science 2023 Write A Program That Administers And Grades Quizzes.
2023 write a program that administers and grades quizzes A quiz consists of questions There are four types of questions | Assignment Collections
write a program that administers and grades quizzes. A quiz consists of questions. There are four types of questions: text questions, number questions, choice questions with a single answer, and choice questions with multiple answers. When grading a text question, ignore leading or trailing spaces and letter case. When grading a numeric question, accept a response that is approximately the same as the answer.
A quiz is specified in a text file. Each question starts with a letter indicating the question type (T, N, S, M), followed by a line containing the question text. The next line of a non-choice question contains the answer. Choice questions have a list of choices that is terminated by a blank line. Each choice starts with + (correct) or – (incorrect).
Here is a sample file:
T Which Java keyword is used to define a subclass?
extends
S What is the original name of the Java language?
– *7
– C–
+ Oak
– Gosling
M Which of the following types are supertypes of Rectangle?
– PrintStream
+ Shape
+ RectangularShape
+ Object
– String
N What is the square root of 2?
1.41421356
Your program should read in a quiz file, prompt the user for responses to all questions, and grade the responses. Follow the design process that was described in this chapter.
Here is a sample program run:
T Which Java keyword is used to define a subclass?
input: sub
S What is the original name of the Java language?
A) *7
B) C–
C) Oak
D) Gosling
input: C
M Which of the following types are supertypes of Rectangle?
A) PrintStream
B) Shape
C) RectangularShape
D) Object
E) String
Select all that apply:
input: BCD
N What is the square root of 2?
input: 4
Which Java keyword is used to define a subclass?
Correct answer: extends
Your answer: sub
Your answer was not correct.
What is the original name of the Java language?
A) *7
B) C–
C) Oak
D) Gosling
Correct answer: C
Your answer: C
Your answer was correct.
Which of the following types are supertypes of Rectangle?
A) PrintStream
B) Shape
C) RectangularShape
D) Object
E) String
Correct answer: BCD
Your answer: BCD
Your answer was correct.
What is the square root of 2?
Correct answer: 1.41421356
Your answer: 4
Your answer was not correct.
Use the following class as your main class:
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
public class QuizRunner { public static void main(String[] args)
throws IOException { Quiz q = new Quiz();
Scanner in = new Scanner(new FileReader(“quiz.txt”));
q.read(in);
in.close();
in = new Scanner(System.in);
ArrayList questions = q.getQuestions();
ArrayList answers = new ArrayList();
for (Question qu : questions)
{ System.out.println(qu.getText());
String answer = in.nextLine(); answers.add(answer); }
boolean[] results = q.checkAnswers(answers);
for (int i = 0; i < results.length; i++) { System.out.println() ; System.out. println(questions.get(i).getText());
System.out.println(“Correct answer: ” + questions.get(i).getAnswer()); System.out.println(“Your answer: ” + answers.get(i));
System.out.print(“Your answer was “);
if (!results) { System.out.print(“not “); }
System.out.println(“correct.”);
} } }
You need to take an OO approach to the code.
text to be read from file
T
Which Java keyword is used to define a subclass?
extends
S
What is the original name of the Java language?
– *7
– C–
+ Oak
– Gosling
M
Which of the following types are supertypes of Rectangle?
– PrintStream
+ Shape
+ RectangularShape
+ Object
– String
N
What is the square root of 2?
1.41421356
We give our students 100% satisfaction with their assignments, which is one of the most important reasons students prefer us to other helpers. Our professional group and planners have more than ten years of rich experience. The only reason is that we have successfully helped more than 100000 students with their assignments on our inception days. Our expert group has more than 2200 professionals in different topics, and that is not all; we get more than 300 jobs every day more than 90% of the assignment get the conversion for payment.