chore: add day17 practice

src/main/java/me/alex4386/gachon/sw14462/Main.java

@@ -5,7 +5,7 @@
 import java.util.*;
 
 public class Main {
-    public static String currentTarget = "day14";
+    public static String currentTarget = "day17";
     public static boolean fallbackToLatest = true;
 
     public static Map<String, Class<?>> getAvailableTargetClassNames() {

src/main/java/me/alex4386/gachon/sw14462/day17/Main.java

@@ -0,0 +1,19 @@
+package me.alex4386.gachon.sw14462.day17;
+
+import me.alex4386.gachon.sw14462.utils.Chainloader;
+
+public class Main {
+    public static String chainloadTarget = "ex9_1b";
+
+    public static void main(String[] args) throws Throwable {
+        String packageName = Main.class.getPackage().getName();
+        String chainLoadTargetClass = packageName + "." + chainloadTarget + ".Main";
+
+        try {
+            Chainloader.chainloadTarget(chainLoadTargetClass, args);
+        } catch (Exception e) {
+            throw e;
+        }
+    }
+
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1a/InheritanceDemo.java

@@ -0,0 +1,12 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1a;
+
+public class InheritanceDemo
+{
+    public static void main(String[] args)
+    {
+        Student s = new Student();
+        s.setName("Warren Peace");
+        s.setStudentNumber(1234);
+        s.writeOutput();
+    }
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1a/Main.java

@@ -0,0 +1,7 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1a;
+
+public class Main {
+    public static void main(String[] args) {
+        InheritanceDemo.main(args);
+    }
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1a/Person.java

@@ -0,0 +1,35 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1a;
+
+public class Person
+{
+    private String name;
+    public Person()
+    {
+        name = "No name yet";
+    }
+
+    public Person(String initialName)
+    {
+        name = initialName;
+    }
+
+    public void setName(String newName)
+    {
+        name = newName;
+    }
+
+    public String getName()
+    {
+        return name;
+    }
+
+    public void writeOutput()
+    {
+        System.out.println("Name: " + name);
+    }
+
+    public boolean hasSameName(Person otherPerson)
+    {
+        return this.name.equalsIgnoreCase(otherPerson.name);
+    }
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1a/Student.java

@@ -0,0 +1,42 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1a;
+
+
+public class Student extends Person
+{
+    private int studentNumber;
+    public Student()
+    {
+        super();
+        studentNumber = 0;//Indicating no number yet
+    }
+    public Student(String initialName, int initialStudentNumber)
+    {
+        super(initialName);
+        studentNumber = initialStudentNumber;
+    }
+    public void reset(String newName, int newStudentNumber)
+    {
+        setName(newName);
+        studentNumber = newStudentNumber;
+    }
+    public int getStudentNumber()
+    {
+        return studentNumber;
+    }
+    public void setStudentNumber(int newStudentNumber)
+    {
+        studentNumber = newStudentNumber;
+    }
+    public void writeOutput()
+    {
+        System.out.println("Name: " + getName());
+        System.out.println("Student Number: " + studentNumber);
+    }
+    public boolean equals(Student otherStudent)
+    {
+        return this.hasSameName(otherStudent) &&
+                (this.studentNumber == otherStudent.studentNumber);
+    }
+}
+
+

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1b/Doctor.java

@@ -0,0 +1,52 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1b;
+
+public class Doctor extends Person {
+    private DoctorSpeciality speciality;
+    private double visitFee = 0.0;
+
+    public Doctor() {
+        super();
+        this.speciality = null;
+        this.visitFee = 0.0;
+    }
+
+    public Doctor(String initialName, DoctorSpeciality speciality, double visitFee) {
+        super(initialName);
+        this.speciality = speciality;
+        this.visitFee = visitFee;
+    }
+
+    public void setSpeciality(DoctorSpeciality speciality) {
+        if (speciality == null) {
+            throw new IllegalArgumentException("Speciality cannot be null");
+        }
+
+        this.speciality = speciality;
+    }
+
+    public DoctorSpeciality getSpeciality() {
+        return this.speciality;
+    }
+
+    public void setVisitFee(double visitFee) {
+        if (visitFee < 0) {
+            throw new IllegalArgumentException("Visit Fee cannot be negative");
+        }
+
+        this.visitFee = visitFee;
+    }
+
+    public double getVisitFee() {
+        return this.visitFee;
+    }
+
+    @Override
+    public String toString() {
+        return "Doctor: " + this.getName() + ", Speciality: " + this.getSpeciality() + ", Visit Fee: " + this.getVisitFee();
+    }
+
+    public boolean equals(Doctor otherDoctor) {
+        return this.hasSameName(otherDoctor) && this.getSpeciality() == otherDoctor.getSpeciality() && this.getVisitFee() == otherDoctor.getVisitFee();
+    }
+
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1b/DoctorSpeciality.java

@@ -0,0 +1,8 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1b;
+
+public enum DoctorSpeciality {
+    MEDICINE,
+    SURGERY,
+    DENTIST,
+    ORIENTAL;
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1b/Main.java

@@ -0,0 +1,45 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1b;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("=== Doctor 1 ===");
+        Doctor d1 = new Doctor();
+        d1.setName("Dr. John Doe");
+        d1.setSpeciality(DoctorSpeciality.MEDICINE);
+        d1.setVisitFee(10000);
+        System.out.println(d1);
+
+        System.out.println("=== Doctor 2 ===");
+        Doctor d2 = new Doctor();
+        d2.setName("Dr. Jane Smith");
+        d2.setSpeciality(DoctorSpeciality.SURGERY);
+        d2.setVisitFee(15000);
+        System.out.println(d2);
+
+        System.out.println("=== Doctor 3 ===");
+        Doctor d3 = new Doctor();
+        d3.setName("Dr. John Doe");
+        d3.setSpeciality(DoctorSpeciality.MEDICINE);
+        d3.setVisitFee(10000);
+        System.out.println(d3);
+
+
+        System.out.println("=== Compare Doctor 1 & Doctor 2 ===");
+        System.out.println("Expected Result: Different");
+        if (d1.equals(d2)) {
+            System.out.println("Doctor 1 and Doctor 2 are the same.");
+        } else {
+            System.out.println("Doctor 1 and Doctor 2 are different.");
+        }
+
+        System.out.println("=== Compare Doctor 1 & Doctor 3 ===");
+        System.out.println("Expected Result: Same");
+        if (d1.equals(d3)) {
+            System.out.println("Doctor 1 and Doctor 3 are the same.");
+        } else {
+            System.out.println("Doctor 1 and Doctor 3 are different.");
+        }
+
+
+    }
+}

src/main/java/me/alex4386/gachon/sw14462/day17/ex9_1b/Person.java

@@ -0,0 +1,35 @@
+package me.alex4386.gachon.sw14462.day17.ex9_1b;
+
+public class Person
+{
+    private String name;
+    public Person()
+    {
+        name = "No name yet";
+    }
+
+    public Person(String initialName)
+    {
+        name = initialName;
+    }
+
+    public void setName(String newName)
+    {
+        name = newName;
+    }
+
+    public String getName()
+    {
+        return name;
+    }
+
+    public void writeOutput()
+    {
+        System.out.println("Name: " + name);
+    }
+
+    public boolean hasSameName(Person otherPerson)
+    {
+        return this.name.equalsIgnoreCase(otherPerson.name);
+    }
+}