Use the following UML diagram to create a class that represents an Assignment for a course such as ours.

Assignment - name: String - dueDate: GregorianCalendar - grade: double + Assignment() + Assignment(n: String, d: GregorianCalendar, g: double) + getName(): String + getDueDate(): GregorianCalendar + getGrade() double + getGradeLetter(): String + getFormattedString(): String + setName(n String): void + setDueDate(d: GregorianCalendar): void + setDueDate(year: int, month int, dayOfMonth int, hourOfDay: int, minute: int): void + setGrade(g: double): void + setGrade(g: String): void