1. JavaCode for Sample Projects
Inheritance Project
Billing.java File
public Billing(Billing otherBilling)
{
invoiceNumber = "None Assigned";
}
//create methods
public void setInvoiceNumber(String i)
{
invoiceNumber = i;
}
public String getinvoiceNumber()
{
returninvoiceNumber;
}
public void setVisitDate (String i)
{
visitDate = i;
}
public String getVisitDate()
{
returnvisitDate;
}
Inheritance Project Page 1

2. public void setPatientSeen(Patient p)
{
patientSeen = p;
}
public Patient getPatientSeen()
{
returnpatientSeen;
}
public void setAttendingMD(Doctor d)
{
attendindgMD = d;
}
public Doctor getAttendingMD()
{
returnattendindgMD;
}
publicboolean equals(Billing other)
{
return (getVisitDate().equals(other.getVisitDate()) &&
((getPatientSeen()).getBirthDate().equals((other.getPatientSeen()).getBirthDate())) &&
((getPatientSeen()).getName().equals((other.getPatientSeen()).getName())) &&
((getAttendingMD()).getName().equals((other.getAttendingMD()).getName())));
}
public void printInvoice()
{
System.out.println("MEDICAL CENTER INVOICE");
System.out.println(" ");
System.out.println("Invoice #"+ getinvoiceNumber());
System.out.println("Date of Service: " + getVisitDate());
System.out.println("Patient Name: " + getPatientSeen().getName() + " - ID Number: " +
getPatientSeen().getPatientId());
System.out.println("Attending Physician: " + getAttendingMD().getName());
System.out.println("Amount Due for Office Visit: $" + getAttendingMD().getOfficeFee());
}
}
Inheritance Project Page 2

3. Doctor.java File
public class Doctor extends Person
{
//declare fields
String specialty;
String medSchool;
Double officeFee;
//set up constructors
public Doctor(String Name, String s, String ms, Double of)
{
super(Name);
specialty = s;
medSchool =ms;
officeFee = of;
}
public Doctor()
{
super();
specialty = "GP";
medSchool ="Unknown";
officeFee = 150.00;
}
public Doctor(Doctor otherDoctor)
{
super();
specialty = otherDoctor.specialty;
medSchool = otherDoctor.medSchool;
officeFee = otherDoctor.officeFee;
}
Inheritance Project Page 3

4. //create methods
public void setSpecialty(String sp)
{
specialty = sp;
}
public String getSpecialty()
{
return specialty;
}
public void setMedSchool(String m)
{
medSchool = m;
}
public String getMedSchool()
{
returnmedSchool;
}
public void setOfficeFee(Double f)
{
officeFee = f;
}
public Double getOfficeFee()
{
returnofficeFee;
}
publicboolean equals(Doctor other)
{
return (getName().equals(other.getName()));
}
public void writeDoctorInfo()
{
System.out.println("Dr. " + getName() + " graduated from " + getMedSchool() + " and is a " + getSpecialty() + ". The
doctor's fee is $" + getOfficeFee() + " per visit.");
}
}
Inheritance Project Page 4

5. Patient.java File
public class Patient extends Person
{
String id;
String birthdate;
//set up constructors
public Patient(String Name, String i, String bD )
{
super(Name);
id = i;
birthdate = bD;
}
public Patient()
{
super();
id ="Unknown";
birthdate = "Month Day, Year";
}
//create methods
public void setId(String i)
{
id = i;
}
public String getPatientId()
{
return id;
}
public void setBirthDate(String b)
{
birthdate= b;
}
Inheritance Project Page 5

6. public String getBirthDate()
{
return birthdate;
}
publicboolean equals(Patient other)
{
return (getName().equals(other.getName()) && (getBirthDate().equals(other.getBirthDate())));
}
}
Inheritance Project Page 6

7. Person.java File
public class Person
{
private String name;
public void setName(String newName)
{
name = newName;
}
public Person()
{
name = "no name yet " ;
}
public Person(String initialName)
{
name = initialName;
}
public String getName()
{
return name;
}
public void writeOutput()
{
System.out.println("Name: " + name);
}
publicbooleanhasSameName(Person otherPerson)
{
returnthis.name.equalsIgnoreCase(otherPerson.name);
}
}
Inheritance Project Page 7

8. testDoctorMethods.java File
public class testDoctorMethods
{
public static void main(String[] args)
{
//first constructor
Doctor ManagingDirector = new Doctor();
ManagingDirector.setName("Friedman");
ManagingDirector.setMedSchool("Harvard");
ManagingDirector.setSpecialty("Obstetrician");
ManagingDirector.setOfficeFee(200.00);
//second constructor
Doctor Staff = new Doctor("Schwartz ", "Dermatologist", "John Hopkins", 150.00);
//third constructor
Doctor intern = new Doctor(Staff);
intern.setName("Schreiber");
//equals method
System.out.println("The Managing Director Doctor has the same name as the Staff Doctor is a " +
ManagingDirector.hasSameName(Staff) + " statement!") ;
//report
System.out.println(" ");
System.out.println("First Doctor Constructor");
ManagingDirector.writeDoctorInfo();
System.out.println(" ");
System.out.println("Second Doctor Constructor");
Staff.writeDoctorInfo();
System.out.println(" ");
System.out.println("Third Doctor Constructor");
intern.writeDoctorInfo();
}
}
Inheritance Project Page 8

9. testPatientBillingMethods.java File
public class testPatientBillingMethods
{
public static void main(String[] args)
{
//declare invoice total variable
Double totalInvoices;
//re-create doctor
Doctor Staff = new Doctor("Dr. Schwartz ", "Dermatologist", "John Hopkins", 150.00);
// create new patients
Patient johnDoe = new Patient("John Doe", "000001", "January 11, 1971");
Patient marySmith = new Patient("Mary Smith", "000002", "May 11, 1975");
//create billing objects
Billing i00001 = new Billing(johnDoe, Staff, "i00001", "May 1, 2012");
Billing i00002 = new Billing(marySmith, Staff, "i00002", "May 1, 2012");
//verify that the 2 billing records are not duplicates
if (i00001.equals(i00002) == true)
{
System.out.println("These 2 billing records are for the same patient visit ");
}
else
{
System.out.println("These 2 billing records are NOT for the same patient visit ");
}
System.out.println(" ");
//generate invoices for patient visits
i00001.printInvoice();
System.out.println(" ");
i00002.printInvoice();
//generate total of invoices
totalInvoices = (i00001.getAttendingMD().getOfficeFee() + i00002.getAttendingMD().getOfficeFee() );
System.out.println(" ");
System.out.println("Total Office Receipts for May 1, 2012 were: $" + totalInvoices);
}
}
Inheritance Project Page 9