Exercise Ise UML Implement the class CovidVaccine as presented by the following UML diagram: CovidVaccine -company: String |-country: String -efficacyRate: int -numDosages: int + CovidVaccine (All data fields) fieldtà +setters/getters of all data fields fitelind +evaluateEffectivness: String +howManyDosages(): STring +toString(): String • evaluateEffectivness: This method returns "Highly Effective" if its efficacyRate is above 90, "Not Very Effective" if its efficacyRate is lower than 60 and "Acceptable" otherwiserwctive • howManyDosages: This method returns "Three Dosages" if the numDosages is 3 and "Two Dosages" if it is 2 and "Single Dose" if it is b lower • The toString method returns a description of the CovidVaccine object as follows: Johnson & Johnson Vaccine USA Highly Effective (93%) in a Single Dose

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career. 

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is: