Essay Class
Design an Essay class that is derived from the GradedActivity class presented in this chapter. The Essay class should determine the grade a student receives on an essay.
The student’s essay score can be up to 100, and is determined in the following manner:
• Grammar: 30 points
• Spelling: 20 points
• Correct length: 20 points
• Content: 30 points
Demonstrate the class in a simple
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