Problem creating a new object

Help! Cannot figure out what is wrong with my code.

Code :

<ExamDemo.java:25: cannot find symbol
symbol  : constructor DriverExam(java.lang.String[])
location: class DriverExam
DriverExam exam = new DriverExam(answers);
                  ^
1 error>

Code :

< import java.util.Scanner;
// Input Validation:
   public class ExamDemo
   {
      public static void main(String[] args)
      {
         System.out.println("    Driver's Liscense Exam     ");
         Scanner kb = new Scanner(System.in);
 
         System.out.println(" 20 multiple choise questions Mark A,B,C,D ");
      // Inputting string
         String[] answers = new String[20];
         String answer;
         for (int i = 0; i < 20; i++)
         {
            do
            {
               System.out.print((i + 1) + ": ");
               answer = kb.nextLine();
            }
            while (!isValidAnswer(answer));
            answers[i] = answer;
         }
      // Process
         DriverExam exam = new DriverExam(answers);
      // Result
         System.out.println("        Results       ");
      // outputting Total correct
         System.out.println("Total Correct: " + exam.totalCorrect());
      // outputting Total incorrect
         System.out.println("Total Incorrect: " + exam.totalIncorrect());
         String passed = exam.passed() ? "YES" : "NO";
      //result pass or fail
         System.out.println("Passed: " + passed);
         if (exam.totalIncorrect() > 0)
         {
            System.out.println("The incorrect answers are:");
            int missedIndex;
            for (int i = 0; i < exam.totalIncorrect(); i++)
            {
               missedIndex = exam.questionsMissed()[i] + 1;
               System.out.print(" " + missedIndex);
            }
         }
      }
      public static boolean isValidAnswer (String answer)
      {
         return "A".equalsIgnoreCase(answer) || "B".equalsIgnoreCase(answer) || "C".equalsIgnoreCase(answer) || "D".equalsIgnoreCase(answer) ;
      }
   }>

Code :

<   import java.util.Scanner;
 
   class DriverExam
   {
   //an array of student's answers.
      private char[] correctAnswers = {
         'B','D','A','A','A','C','A','B','A','C','D','B','C','D','A','D','C','C','B','D','A'};
   // Store the user answers.
      private char[] studentAnswers;
      int[] missed = new int[correctAnswers.length];
   //Process the user answers
      public DriverExam (char[] Answers)
      {
         studentAnswers = new char[Answers.length];
         for (int i = 0; i < Answers.length; i++)
         {
            studentAnswers[i] = Answers[i];
         }
      }
   //returns boolean value if correct answers > 15
      public boolean passed()
      {
         if(totalCorrect() >= 15)
            return true;
         else
            return false;
      }
   //totalCorrect answers
      public int totalCorrect()
      {
         int correctCount = 0;
         for (int i = 0; i < correctAnswers.length; i++)
         {
            if (studentAnswers[i] == (correctAnswers[i]))
            {
               correctCount++;
            }
         }
         return correctCount;
      }
   // totalIncorrect answered.
      public int totalIncorrect()
      {
         int incorrectCount = 0;
         for (int i = 0; i < correctAnswers.length; i++)
         {
            if (studentAnswers[i] != (correctAnswers[i]))
            {
               missed[incorrectCount] = i;
               incorrectCount++;
            }
         }
         return incorrectCount;
      }
   //Missed questions.
      public int[] questionsMissed()
      {
         return missed;
      }
   }
//end driver exam class
>

Also, keep getting java.lang.ArrayIndexOutOfBoundsException: 20 in my interactions tab when trying to pass e.passed()