This can create a quiz with questions and can add questions in add method which is class

Quiz.java

import java.util.Scanner;
class Question {
	private int serialNumber;
	private String questionText;
	private String choices;
	private int correctAnswer;
	private static int points;
	Question(int serialNumber, String questionText, String choices, int correctAnswer, int points) {
		this.serialNumber = serialNumber;
		this.questionText = questionText;
		this.choices = choices;
		this.correctAnswer = correctAnswer;
		this.points = points;
	}
	public int getSerialNumber() {
		return this.serialNumber;
	}
	public String getQuestionText() {
		return this.questionText;
	}
	public int getCorrectAnswer() {
		return this.correctAnswer;
	}
	public String getChoices() {
		return this.choices;
	}
	public int getPoints() {
		return this.points;
	}
	
}
public class Quiz {
	private int point;
	Quiz() {
		point = 0;
	}
	final void addQuestions() {
		Question[] q1 = new Question[10];
		q1[0] = new Question(1,"What is Java?"+"\n","1.POP\n2.OOP\n3.Interface\n4.Compiler",2,1);
		q1[1] =	new Question(2,"What is object?"+"\n","1.Object is an veriable.\n"+"2.Object is an instance of class.\n"+"3.Object is an instance of method.\n"+"4.Object is an reference.",2,1);
		q1[2] = new Question(3,"What is c?\n","1.POP\n2.OOP\n3.Interface\n4.Compiler",1,1);
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter the number of questions");
		int number = sc.nextInt();
		for (int i = 0; i < number; i++) {
			System.out.print(q1[i].getSerialNumber()+". ");
			System.out.print(q1[i].getQuestionText());
			System.out.println(q1[i].getChoices());
			int answer = sc.nextInt();
			if(answer == q1[i].getCorrectAnswer()) {
				point = point + q1[i].getPoints();
			}
		}
	}
	final void startQuiz() {
		 Quiz q = new Quiz();
		q.addQuestions();
		q.showReport();
	}
	final void showReport(){
		System.out.println("Points Obtained: "+point);
	}
public static void main(String[] args) {
	Quiz q2 = new Quiz(); 
	q2.startQuiz();
}
}