import java.util.*;


public class Student {

    private String id;
    private String [] quizresult=new String[10];
    public int score;
    public char letterGrade;

    public Student(){

        id=" ";
        for(int i =0; i<quizresult.length; i++){
             quizresult[i]="";

        }

        score =0;
    }


    public Student(String a, String[] answers){

        id=a;

        for(int i=0; i<answers.length; i++){

            quizresult[i]=answers[i];

        }

        score = 0;

    }

    public String [] getAnwers(){

        return quizresult;

    }

    public String getId(){

        return id;

    }


    public void grade(String [] answerkey, String[] studentanswer){

        int count=0;

                for(int i=0; i<answerkey.length; i++){

                    if(answerkey[i].equals(studentanswer[i])){

                        count = count+10;

                    }

                }

                score = count;


    }






    public int getScore() {         //method to get the score

        return score;
    }


//method assigns letter grade based on score
    public static char assignLetterGrade (int score) {


        char letterGrade;

        if(score == 100)
            letterGrade = 'A';
        else if(score == 90)
            letterGrade = 'B';
        else if(score == 80 || score ==70)
            letterGrade = 'C';
        else if(score == 60 || score == 50)
            letterGrade = 'D';
        else
            letterGrade = 'F';


        return letterGrade;
    }

public String toString(){

        String a = "Student id: " + id + " " +  Arrays.toString(quizresult) + " The score for this quiz is:  " +  score + " The letter grade is: " + letterGrade + "\n";

        return a;



            }

}