tests and assignments: A Jab 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. . A final exam that has 50 questions. Wiire a class named CourseGrades. The class should have a GradedActivity array named arades as a field. The array should have four elements, one for each of the assignments areviously described. The class should have the following methods: This method should accept a GradedActivity object as its argu- ment. This object should already hold the student's score for the lab activity. Element 0 of the grades field should reference this object. 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. setLab: setPassFailExam: an Essay object as its argument. (See Programming Challenge 4 for the Essay class. If you have not com- pleted Programming Challenge 4, use a GradedActivity object instead.) This object should already hold the student's score for the essay. Element 2 of the grades field should reference this object. This method should accept a FinalExam object as its argument. This object should already hold the student's score for the final exam. Element 3 of the grades field should reference this object. setEssay: This method should acc setFinalExam: 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.
tests and assignments: A Jab 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. . A final exam that has 50 questions. Wiire a class named CourseGrades. The class should have a GradedActivity array named arades as a field. The array should have four elements, one for each of the assignments areviously described. The class should have the following methods: This method should accept a GradedActivity object as its argu- ment. This object should already hold the student's score for the lab activity. Element 0 of the grades field should reference this object. 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. setLab: setPassFailExam: an Essay object as its argument. (See Programming Challenge 4 for the Essay class. If you have not com- pleted Programming Challenge 4, use a GradedActivity object instead.) This object should already hold the student's score for the essay. Element 2 of the grades field should reference this object. This method should accept a FinalExam object as its argument. This object should already hold the student's score for the final exam. Element 3 of the grades field should reference this object. setEssay: This method should acc setFinalExam: 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.
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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A java
Transcribed Image Text:gives the following tests and assignments:
previously described. The class should have the following methods:
In a course, a
A Jab 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.
e An essay that is assigned a numeric score.
. A final exam that has 50 questions.
ire a class named CourseGrades. The class should have a GradedActivity array named
a
arades as a field. The array should have four elements, one for each of the assignments
areviously described. The class should have the following methods:
This method should accept a GradedActivity object as its argu-
ment. This object should already hold the student's score for the lab
activity. Element 0 of the grades field should reference this object.
setLab:
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.
setPassFail Exam:
This method should accept an Essay object as its argument. (See
Programming Challenge 4 for the Essay class. If you have not com-
pleted Programming Challenge 4, use a GradedActivity object
instead.) This object should already hold the student's score for the
essay. Element 2 of the grades field should reference this object.
setEssay:
This method should accept a FinalExam object as its argument.
This object should already hold the student's score for the final
exam. Element 3 of the grades field should reference this object.
setFinalExam:
This method should return a string that contains the numeric
scores and grades for each element in the grades array.
toString:
Demonstrate the class in a program.
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