diagram.puml

@startuml

Class FitnessApp{
+ startApp(): void
}

Class Person{
- name: String
- email: String
- workouts: ArrayList<Workout>

+ getName(): String
+ setName(name: String): void

+ getEmail(): String
+ setEmail(email: String): void

+ getWorkouts(): ArrayList<Workout>
+ setWorkouts(workouts: ArrayList<Workout>): void
}

Class Workout{
- duration: String
- date: Date
- completed: boolean
- exercise: ArrayList<Exercise>

+ getDuration(): String
+ setDuration(duration: String): void

+ getDate(): Date
+ setDate(date: Date): void

+ getCompleted(): boolean
+ setCompleted(completed: boolean): void

+ getExercise(): ArrayList<Exercise>
+ setExercise(exercise: ArrayList<Exercise>): void

+ displayWorkoutInfo(): void
}

Class Exercise{
- type: WorkoutType
- name: String
- caloriesBurned: double

+ getType(): WorkoutType
+ setType(type: WorkoutType): void

+ getCaloriesBurned(): double
+ setCaloriesBurned(caloriesBurned: double): void
}

enum WorkoutType{
CHEST
BACK
SHOULDER
ARMS
CARDIO
LEGS
}

' Relationships
FitnessApp "1" --> "*" Person : manages users
' One fitness app can contain multiple people

Person "1" --> "*" Workout : performs
' A person can complete many workouts

Workout "1" --> "*" Exercise : contains
' A workout is made up of multiple exercises

Exercise --> WorkoutType : categorized by
' Each exercise belongs to one workout type

@enduml