Needs help for main program (for TKKR only)

Needs help for main program (for TKKR only)

Design an Essay class that extends the GradedActivity class
presented in this chapter. The Essay class should determine the
grade a student receives for an essay. The student’s essay score be
up tp 100 and is determined in the following manner: Grammer: 30
points Spelling: 20 points Correct length: 20 points Content: 30
points

 

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