Question: /** A class representing an instructor at a school. You are to complete the following: - Complete the constructor - Complete the toString method */
/**
A class representing an instructor at a school. You are to complete the following:
- Complete the constructor
- Complete the toString method
*/
public class Instructor extends SchoolPerson
{
private int salary;
/**
Create an instructor with a given name and date of birth and salary.
@param name the name
@param yearOfBirth the date of birth
@param salary the salary
*/
public Instructor(String name, int yearOfBirth, int salary)
{
//-----------Start below here. To do: approximate lines of code = 2
// Initialize the inherited variables using super() and initialize
// the new variable salary
super(yearOfBirth, name);
this.salary = salary;
//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
}
/**
Convert instructor to string form.
*/
public String toString()
{
//-----------Start below here. To do: approximate lines of code = 1
// override the method toString() and return a string
// containing the values of the inherited variables followed by
// " Salary: " followed by salary. Hint: make use of super.
return super.toString() + " Salary : " + salary;
//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
}
}
NEXT CLASS
/**
A class representing a student at a school. You are to complete the following:
- Complete the constructor
- Complete the toString method
*/
public class Student extends SchoolPerson
{
private String major;
/**
Create a student with a given name and date of birth and major.
@param name the name
@param yearOfBirth the date of birth
@param major the major
*/
public Student(String name, int yearOfBirth, String major)
{
//-----------Start below here. To do: approximate lines of code = 2
// Initialize the inherited variables using super() and initialize
// the new variable major
super(yearOfBirth, name);
this.major = major;
//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
}
/**
Convert student to string form
*/
public String toString()
{
//-----------Start below here. To do: approximate lines of code = 1
// override the method toString() and return a string
// containing the values of the inherited variables followed by
// " Major: " followed by major. Hint: make use of super.
return super.toString() + " Major : " + major;
//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
}
}
NEXT CLASS
/**
A class representing a person at a school.
*/
public class SchoolPerson
{
private String name;
private int yearOfBirth;
/**
Create a person with a given name and date of birth.
@param name the name
@param yearOfBirth the date of birth
*/
public SchoolPerson(String name, int yearOfBirth)
{
this.name = name;
this.yearOfBirth = yearOfBirth;
}
public int getBirthYear()
{
return yearOfBirth;
}
/**
Convert person to string form.
*/
public String toString()
{
return this.getClass().getName() + " Name: " + name + " Year of Birth: " + yearOfBirth;
}
}
TESTER
import java.util.ArrayList;
/**
A class to test the student and instructor subclasses. In addition, you
are to complete the getOldest method which finds the oldest person in the
given array list and returns them
*/
public class SchoolPersonTester
{
/**
* Finds the oldest person in the given ArrayList and returns them. Returns null
* if the ArrayList is empty.
* @param people The list of people
* @return The oldest person in the array
*/
public static SchoolPerson getOldest(ArrayList
{
//-----------Start below here. To do: approximate lines of code = 5
//
//-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.
}
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