Subject(String subjectStr) { subjectName = subjectStr; } %3D public String returnSubjectstr() { return subjectName; } public abstract int returnNumofLessons (); The class Science is a subclass of Subject. Part of its declaration is below: public class Science extends Subject public Science(String subjectstr) { /* implementation is not revealed */ } public int returnNumOfLessons() { /* implementation is not revealed */ } Using the information above, you are required to write the declaration for the class English. Make sure to write the implementation of methods and the constructor. The English's returnNumOfLessons method should return a value of 6 when called.
Subject(String subjectStr) { subjectName = subjectStr; } %3D public String returnSubjectstr() { return subjectName; } public abstract int returnNumofLessons (); The class Science is a subclass of Subject. Part of its declaration is below: public class Science extends Subject public Science(String subjectstr) { /* implementation is not revealed */ } public int returnNumOfLessons() { /* implementation is not revealed */ } Using the information above, you are required to write the declaration for the class English. Make sure to write the implementation of methods and the constructor. The English's returnNumOfLessons method should return a value of 6 when called.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
Java222
Transcribed Image Text:Study the classes below and how they are related:
Subject
English
Science
Biology
According to the above class hierarchy, English is-a Subject, Science is-a Subject and
Biology is-a Subject.
The Subject class is an abstract class, as declared below, and has a subjectName that is set
during construction.
public abstract class Subject
private String subjectName;
Transcribed Image Text:public Subject(String subjectStr)
{ subjectName = subjectStr; }
public String returnSubjectStr() { return subjectName; }
public abstract int returnNumOfLessons();
}
The class Science is a subclass of Subject. Part of its declaration is below:
public class Science extends Subject
public Science(String subjectStr)
{ /* implementation is not revealed */ }
public int returnNumOfLessons()
{ /* implementation is not revealed */ }
}
Using the information above, you are required to write the declaration for the class English. Make
sure to write the implementation of methods and the constructor. The English's returnNumOfLessons
method should return a value of 6 when called.
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