public void addStudent(String studentName)
    {
      if (studentName != null)
    {    int[] array = new int[NUM_QUIZZES];
    for (int i = 0; i < array.length; i++)
    {
    array[i] = MIN_GRADE;
    }
    quizMarks.put(formatName(studentName), array);
     }
       }
> new student, marks set to 0
/**
* returns the quiz marks for a given student
* @param student
* @return the array of quiz marks for this student
*/ public int[] getQuizzes(String student)
    {
    int[] array = quizMarks.get(student);
    if (student != null)
    {
    for (int arrays : array)
    {     System.out.println(arrays);
    }
       }   return array;
  }