Looking at the following UML class diagram, please answer the below questions:(HInt: For good visual clarity please open the PowerPoint in Slide Show mode). This picture is alsoavailable under Files-->ExamClass-diagram.pdfThe classis a subclass ofWeighted TotalStrategyGradingStrategy.GradingStrategy has a throwswith SizeException.Grading strategy is of type java.langapp: grading.Grade!<>GradientComparable+compareTo(other : grading.Grade) : intIllegalArgumentException+main(args : String ()gradingGrade|-key : java.lang.String|-value : java.lang.Double+Grade(key : java.lang.String) {exceptions=lllegalArgumentException}+Grade(key : ja va.lang.String, value : double) (exceptions=|llegalArgumentException}+Grade(key : java.lang.String, value : java.lang.Double) {exceptions= legalArgumentException}+getKey() : java.lang.String+getValue(): java.lang.Double+to String() : java.lang.StringthrowsSizeException+serialVersionUID : final long = 1Lthrowsthrows<><>GradingStrategy+calculate(key : String, grades: java.util. List) : grading.Grade (exceptions=SizeException}Filter+apply(grades: java.util. List) : java.util.List {exceptions=SizeException}WeightedTotalStrategyDropFilter-weights : java.util.Mapsjava. lang.String, java.lang.Double>+WeightedTotalStrategy()+WeightedTotalStra tegy(weights : java.util. Map)|-shouldDropLowest : boolean|-shouldDropHighest : boolean+DropFilter()+DropFilter(shouldDropLowest : boole an, shouldDropHighest : boolean)uses<>TotalStrategyMissing-DEFAULT_MISSING VALUE : double = 0+TotalStrategy()+doubleValue (number : Double): double+doubleValue (number : Double, missingValue : double) : double

UML Class diagram is the structured view of an application. The classes and its relations are drawn in the diagram. The attributes and operations of each class is enclosed in the class and the relationships between the classes are marled.The class TotalStrategy is a subclass of WeightedTotalStrategy. WeightedTotalStrategy implements GradingStrategy. GradingStrategy has a throws Exception with SizeException GradingStrategy is of type Interface

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Looking at the following UML class diagram, please answer the below questions: (HInt: For good visual clarity please open the PowerPoint in Slide Show mode). This picture is also available under Files-->Exam Class-diagram.pdf & The class is a subclass of Weighted TotalStrategy GradingStrategy. GradingStrategy has a throws with SizeException. Grading strategy is of type

Looking at the following UML class diagram, please answer the below questions: (HInt: For good visual clarity please open the PowerPoint in Slide Show mode). This picture is also available under Files-->Exam Class-diagram.pdf & The class is a subclass of Weighted TotalStrategy GradingStrategy. GradingStrategy has a throws with SizeException. Grading strategy is of type

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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Rectangle is an object that represents a specificshape. Analyze the conceptand identify the data members and methods that should beincluded in Rectangle class.
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I need help with the main function, please. I have all classes I need I just need the main function
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