Question

Task 3: Main Program

Create a main program class that:

1. Creates three or more Nurse instances assigned to different shifts.
2. Creates three or more Doctor instances.
3. Creates three or more Patient instances with pre-determined names and manually assigned physicians chosen from the pool of Doctor instances previously created.
4. Generates another 20 Patient instances using randomly generated names and randomly assigns them physicians chosen from the pool of Doctor instances previously created.
5. Prints the toString() values for all employees.
6. Prints the toString() value and physician ID for each patient.
7. Calculates and prints the total annual cost to employ all of the created doctors and nurses.
8. Calculates and prints the number of patients assigned to each Doctor.

Use arrays to store all of your Patient, Nurse, and Doctor objects.

You can generate names by randomly choosing a combination of first and last names from pre-set lists of possibilities.

Sample Names

Do not use input from System.in for any part of your program.

Use static methods as appropriate to organize your code.

Try to keep all output at the end of your program.

This is the Code I have right now.

public class Person {
  

/**
* This nodeCount generates the unique id
*/

   private static int val=1;
/**
* Declaring instance variable id
*/

   private int ID;
   public String givenName;
   public String surname;

   /**
   * Parameterized constructor
   * @param iD
   * @param givenName
   * @param surname
   */
   public Person(String givenName, String surname) {

       this.ID = val;
       val++;
       this.givenName = givenName;
       this.surname = surname;
   }

   /**
   * @return the iD
   */
   public int getID() {
       return ID;
   }

   /**
   * This Method will return GivenName
   * @return the givenName
   */
   public String getGivenName() {
       return givenName;
   }

   /**
   * This Method will set the givenName
   * @param givenName
   * the givenName to set
   */
   public void setGivenName(String givenName) {
       this.givenName = givenName;
   }

   /**
   * This Method will return surname
   * @return the surname
   */
   public String getSurname() {
       return surname;
   }

   /**
   * This Method will set surName
   * @param surname
   * the surname to set
   */
   public void setSurname(String surname) {
       this.surname = surname;
   }

   /*
   * This method will return the Information about the class
   *
   * @see java.lang.Object#toString()
   */
   @Override
   public String toString() {
       return givenName + " " + surname + "(ID# " + ID + ")";
   }

}
//Employee class
class Employee extends Person{
    String unit;
    protected int annualSalary;
    //constructor
    public Employee(String unit,String givenName,String surname)
    { /*this will call parent class constructor, 
    you can modify the syntax according to your Person class constructor*/
        super(givenName,surname);
        this.unit=unit;
    }
    //method getAnnualSalary()
    public int getAnnualSalary()
    {
        return annualSalary;
    }

}
//class Nurse
class Nurse extends Employee{
    int SHIFT_A=1;
    int SHIFT_B=2;
    int SHIFT_C=3;
    private int shift;
   //constructor
    public Nurse(String unit,String givenName,String surname)
    {  /*this will call parent class constructor, to initialization
         of variable */
        super(unit,givenName,surname);
        shift=SHIFT_A;
        //set default annualSalary
        super.annualSalary=80000;
    }
    //setShift() method
    public void setShift(int shift)
    {
        this.shift=shift;
        if(shift==SHIFT_A)
        super.annualSalary=80000;
        else if(shift==SHIFT_B)
        super.annualSalary=85000;
        else
        super.annualSalary=90000;
    }
    /*Overriding of toString() method there is some changes in structure
      because i can't understand ID# 1234 meaning because it is not given */
     public String toString() { 
        return String.format(super.givenName+" "+super.surname + "("+super.unit+" unit,shift "+this.shift +")"); 
    } 
    public int getShift()
    {
        return this.shift;
    }
}
//Doctor class
class Doctor extends Employee
{
    String specialty;
    //constructor
    public Doctor(String unit,String specialty,String givenName,String surname)
    {  //call parent class constructor
        super(unit,givenName,surname);
        this.specialty=specialty;
        //set annualSalary
        super.annualSalary=250000;
    }
        /*Overriding of toString() method there is some changes in structure
      because i can't understand ID# 1234 meaning because it is not given */
     public String toString() { 
       return String.format("Dr. "+super.givenName+" "+super.surname+"("+this.specialty+")"); 
 
    } 
}
//class Patient
class Patient extends Person
{
    Doctor physician;
    public Patient(String givenName,String surname,Doctor physician)
    {/*call parent class constructor 
    you can modify this because parent class is not given*/ 
        super(givenName,surname);
        this.physician=physician;
    }
}

Answer 1

Screenshot

7 9 12 13 3 import java.util. Random; 40 /* <terminated> Hospital Test [Java Application] C:\Program Files\Javajr 5 * Test class All employees 6 */ Dr. Doctori hDoctor (Peadeatric) Dr. Doctor2 mDoctor (Surgen) 8 public class HospitalTest { Dr. Doctor3 jDoctor (Ortho) Nursel hNurse (Uniti unit, shift 1) 100 public static void main(String[] args) { Nurse2 mNurse (Unit2 unit, shift 2) 11 // Creates three or more Nurse instances ass Nurses jNurse (Unit3 unit, shift 3) Nurse nurses[]-new Nurse [3]; nurses[@]=new Nurse("Unit1", "Nurse1", "hNurs Total annual cost = $1005000 14 nurses[0].setShift(1); 15 nurses [1]=new Nurse("Unit2", "Nurse2", "mNurs Dr. Doctori hDoctor (Peadeatric) Patient INFO: nurses[1].setShift(2); Patient4 P4(ID# 13) nurses [2]=new Nurse("Unit3", "Nurse3","jNurs Patients P5 (ID# 14) nurses [2].setShift(3); Patient7 P7(ID# 16) 7/Creates three or more Doctor instances. Patient8 P8 (ID# 17) 20 Doctor doctors[]=new Doctor [3]; Patient9 P9 (ID# 18) 21 doctors[@]=new Doctor("Unit1", "Peadeatric", Patient11 P11(ID# 20) 22 doctors[1]=new Doctor ("Unit2", "Surgen", "Doc Patient12 P12(ID# 21) doctors[2]=new Doctor ("Unit4", "Ortho", "Doct Patient 14 P14(ID# 23) 24 //Creates three or more Patient instances //manually assigned physicians chosen from nectar mactari curcan Datient TNFO. Patient pl=new Patient("Patient1", "P1", doct < 27 Patient p2=new Patient("Patient2", "P2", doctus), 28 Patient p3=new Patient("Patient3", "P3", doctors[2]); // Create an array of 20 patients randomly Patient patients[]=new Patient[20]; addPatients (patients, doctors); 32 1/Prints the toString() values for all employees. System.out.println("All employees"); 34 for(int i=0;i<doctors.length;i++) { System.out.println(doctors[i]); 16 17 18 19 23 25 26 29 30 31 33 35 36 37 38 } for(int i=0;i<nurses.length;i++) { System.out.println(nurses[i]);

Program

HospitalTest.java

import java.util.Random;
/*
* Test class
*/

public class HospitalTest {

   public static void main(String[] args) {
       //Creates three or more Nurse instances assigned to different shifts.
       Nurse nurses[]=new Nurse[3];
       nurses[0]=new Nurse("Unit1","Nurse1","hNurse");
       nurses[0].setShift(1);
       nurses[1]=new Nurse("Unit2","Nurse2","mNurse");
       nurses[1].setShift(2);
       nurses[2]=new Nurse("Unit3","Nurse3","jNurse");
       nurses[2].setShift(3);
       //Creates three or more Doctor instances.
       Doctor doctors[]=new Doctor[3];
       doctors[0]=new Doctor("Unit1","Peadeatric","Doctor1","hDoctor");
       doctors[1]=new Doctor("Unit2","Surgen","Doctor2","mDoctor");
       doctors[2]=new Doctor("Unit4","Ortho","Doctor3","jDoctor");
       //Creates three or more Patient instances with pre-determined names and
       //manually assigned physicians chosen from the pool of Doctor instances previously created.
       Patient p1=new Patient("Patient1","P1",doctors[0]);
       Patient p2=new Patient("Patient2","P2",doctors[1]);
       Patient p3=new Patient("Patient3","P3",doctors[2]);
       //Create an array of 20 patients randomly
       Patient patients[]=new Patient[20];
       addPatients(patients,doctors);
       //Prints the toString() values for all employees.
       System.out.println("All employees");
       for(int i=0;i<doctors.length;i++) {
           System.out.println(doctors[i]);
       }
       for(int i=0;i<nurses.length;i++) {
           System.out.println(nurses[i]);
       }
       //Calculates and prints the total annual cost to employ all of the created doctors and nurses.
       System.out.println("\nTotal annual cost = $"+totalSalary(doctors,nurses)+"\n");
       //Calculates and prints the number of patients assigned to each Doctor.
       listPatients(patients,doctors);
   }
   //Add 20 patients
   public static void addPatients(Patient[] patients,Doctor[] doctors) {
       for(int i=0;i<patients.length;i++) {
           int index=new Random().nextInt(doctors.length);
           patients[i]=new Patient("Patient"+(i+1),"P"+(i+1),doctors[index]);
       }
   }
   //Calculate total cost of employees
   public static int totalSalary(Doctor[] doctors,Nurse[] nurses) {
       int totalSal=0;
       for(int i=0;i<doctors.length;i++) {
           totalSal+=doctors[i].getAnnualSalary();
       }
       for(int i=0;i<nurses.length;i++) {
           totalSal+=nurses[i].getAnnualSalary();
       }
       return totalSal;
   }
   //List doctorwise patients
   public static void listPatients(Patient[] patients,Doctor[] doctors) {
       int j=0;
       while(j<doctors.length) {
           System.out.println(doctors[j]+" Patient INFO:");
           for(int i=0;i<patients.length;i++) {
               if(patients[i].physician==doctors[j]) {
                   System.out.println(patients[i]);
               }
           }
           System.out.println();j++;
       }
       }
}

Output

All employees
Dr. Doctor1 hDoctor(Peadeatric)
Dr. Doctor2 mDoctor(Surgen)
Dr. Doctor3 jDoctor(Ortho)
Nurse1 hNurse(Unit1 unit,shift 1)
Nurse2 mNurse(Unit2 unit,shift 2)
Nurse3 jNurse(Unit3 unit,shift 3)

Total annual cost = $1005000

Dr. Doctor1 hDoctor(Peadeatric) Patient INFO:
Patient4 P4(ID# 13)
Patient5 P5(ID# 14)
Patient7 P7(ID# 16)
Patient8 P8(ID# 17)
Patient9 P9(ID# 18)
Patient11 P11(ID# 20)
Patient12 P12(ID# 21)
Patient14 P14(ID# 23)

Dr. Doctor2 mDoctor(Surgen) Patient INFO:
Patient1 P1(ID# 10)
Patient3 P3(ID# 12)
Patient6 P6(ID# 15)
Patient10 P10(ID# 19)
Patient13 P13(ID# 22)
Patient15 P15(ID# 24)

Dr. Doctor3 jDoctor(Ortho) Patient INFO:
Patient2 P2(ID# 11)
Patient16 P16(ID# 25)
Patient17 P17(ID# 26)
Patient18 P18(ID# 27)
Patient19 P19(ID# 28)
Patient20 P20(ID# 29)