PART C Design an essay Class that extends the Graded Activity class. The Essay class should determine the grade a student receives for 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:20 points.
PART C Design an essay Class that extends the Graded Activity class. The Essay class should determine the grade a student receives for 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:20 points.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please help me with the following java. Please include inheritance. Please also include comments explaining each line of code
Transcribed Image Text:PART C
Design an essay Class that extends the Graded Activity class. The Essay class should determine the
grade a student receives for 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:20 points.
PART D
In a course, a teacher gives the following tests and assignments:
• A lab activity that is observed by the teacher and assigned a numeric score.
• A pass/fail exam that has 10 questions. The minimum passing score is 70.
• An essay that is assigned a numeric score.
Write a class named CourseGrades that extends the GradedActivity class. The class should have a
GradedActivity array named grades as a field. The array should have three elements, one for each of
the assignments previously described. The class should have the following methods:
setLab: This method should accept a Graded Activity object as its argument. This object should already
hold the student's score for the lab activity. Element 0 of the grades field should reference this object.
setPassFailExam: This method should accept a PassFailExam object as its argument. This object should
already hold the student's score for the pass/fail exam. Element 1 of the grades field should reference
this object.
setEssay: This method should accept an Essay object as its argument.
This object should already hold the student's score for the essay. Element 2 of the grades field should
reference this object.
toString: This method should return a string that contains the numeric scores and grades for each
element in the grades array. Demonstrate the class in a program.
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The question is multiple types related to JAVA code design. Hence only the first question has been answered.
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