"Added Members class and declared variables "

src/main/java/org/codedifferently/MainClass.java

@@ -0,0 +1,63 @@
+package org.codedifferently;
+
+import java.util.Scanner;
+
+public class MainClass {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        Members members = new Members();
+        Appointments appointments = new Appointments();
+        GymSystem gym = new GymSystem();
+
+        System.out.println("Welcome to " + gym.getGymName() + "!");
+
+        boolean isMember = members.checkMembership(scanner);
+        gym.recordVisit(isMember);
+
+        boolean running = true;
+        while (running) {
+            System.out.println("\n--- " + gym.getGymName() + " Main Menu ---");
+            System.out.println("1. Manage Appointments");
+            System.out.println("2. Search Member");
+            System.out.println("3. Complete Appointment");
+            System.out.println("4. Daily Summary");
+            System.out.println("5. Exit");
+            System.out.print("Choose option: ");
+
+            int choice = -1;
+            if (scanner.hasNextInt()) {
+                choice = scanner.nextInt();
+                scanner.nextLine();
+            } else {
+                System.out.println("Invalid input.");
+                scanner.nextLine();
+                continue;
+            }
+
+            switch (choice) {
+                case 1:
+                    appointments.handleAppointments(scanner);
+                    break;
+                case 2:
+                    members.searchMember(scanner);
+                    break;
+                case 3:
+                    gym.appointmentCompleted();
+                    System.out.println("Appointment marked as completed at " + gym.getGymName() + ".");
+                    break;
+                case 4:
+                    gym.dailySummary();
+                    break;
+                case 5:
+                    running = false;
+                    break;
+                default:
+                    System.out.println("Invalid option.");
+            }
+        }
+
+        System.out.println("Thank you for visiting " + gym.getGymName() + "! Goodbye!");
+        scanner.close();
+    }
+}

src/main/java/org/codedifferently/Members.java

@@ -0,0 +1,110 @@
+package org.codedifferently;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+
+public class Members {
+
+    private ArrayList<Member> memberList = new ArrayList<>();
+    private final String gymName = "H2J GYM";
+
+    // declared variables
+    static class Member {
+        String name;
+        int age;
+        String gender;
+        String email;
+
+        Member(String name, int age, String gender, String email) {
+            this.name = name;
+            this.age = age;
+            this.gender = gender;
+            this.email = email;
+        }
+    }
+
+    //Ask user if they are a member
+    public boolean checkMembership(Scanner scanner) {
+
+        System.out.print("Are you a member of " + gymName + "? (yes/no): ");
+        String answer = scanner.nextLine();
+
+        // keep asking while input is not yes or no
+        while (!answer.equalsIgnoreCase("yes") &&
+                !answer.equalsIgnoreCase("no")) {
+
+            System.out.print("Invalid input. Please enter yes or no: ");
+            answer = scanner.nextLine();
+        }
+
+        // process valid answer
+        if (answer.equalsIgnoreCase("yes")) {
+            System.out.println("Have a great workout at " + gymName + "!");
+            return true;
+        } else {
+            registerMember(scanner);
+            return false;
+        }
+    }
+
+    // Register new member
+    public void registerMember(Scanner scanner) {
+        System.out.println("Welcome to " + gymName + "! Please register:");
+        System.out.print("Enter your name: ");
+        String name = scanner.nextLine();
+
+        System.out.print("Enter your age: ");
+        int age = -1;
+
+        while (age < 16) {
+            if (scanner.hasNextInt()) {
+                age = scanner.nextInt();
+                if (age < 16) {
+                    System.out.print("You must be at least 16 years old. Enter a valid age: ");
+                }
+            } else {
+                System.out.print("Invalid input. Enter a number for age: ");
+                scanner.next();
+            }
+        }
+        scanner.nextLine(); //created scanner for user input
+
+        System.out.print("Enter your gender (male/female): ");
+        String gender = scanner.nextLine();
+
+        while (!gender.equalsIgnoreCase("male") &&
+                !gender.equalsIgnoreCase("female")) {
+
+            System.out.print("Invalid input. Please enter 'male' or 'female': ");
+            gender = scanner.nextLine();
+        }
+        System.out.print("Enter your email: ");
+        String email = scanner.nextLine();
+
+        memberList.add(new Member(name, age, gender, email));
+        System.out.println("Thank you for registering, " + name + "! Enjoy your visit to " + gymName + "!");
+    }
+
+    // Search for members by name
+    public void searchMember(Scanner scanner) {
+        System.out.print("Enter member name to search in " + gymName + ": ");
+        String name = scanner.nextLine();
+        boolean found = false;
+
+        for (Member m : memberList) {
+            if (m.name.equalsIgnoreCase(name)) {
+                System.out.println("Member Found: " + m.name + ", Age: " + m.age + ", Gender: " + m.gender + ", Email: " + m.email);
+                found = true;
+                break;
+            }
+        }
+
+        if (!found) {
+            System.out.println("Member not found in " + gymName + ".");
+        }
+    }
+
+    public ArrayList<Member> getMemberList() {
+        return memberList;
+    }
+}