input:
80
50
-10
0
Seventy
100
output:
Invalid grade. Grade should be between 0 and 100.
Invalid grade. Grade should be an integer.
80 50 0 100
Average: 57.5
Gradebook grades : ArrayList<Integer> +Gradebook(0) + Gradebook(grades: int[) +addGrade(grade: int)void +getAverage double +toString(): String // Getters and Setters InvalidGradeException message : String +InvalidGradeException() InvalidGradeException(message: String) +getMessage) String In this lab, you will be creating a Gradebook class which stores grades
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