mayooresan

class Cat : Animal, Eye{
    var isIdle: Bool? = true
    
    func run() {
        isIdle = true
        print("Cat is running now")
    }
    
    func stop() {
        isIdle = false

mayooresan

class Cat : Animal, Eye{
    var isIdle: Bool? = true
    func run() {
        print("Cat is running now")
    }
    
    func stop() {
        print("Cat has stopped now")
    }
    

mayooresan

protocol Animal{
    var isIdle : Bool? {get set}
    func run()
    func stop()
}

mayooresan

protocol Animal{
    func run()
    func stop()
}

protocol Eye{
    func closeEyesAndSleep()
    func openEyesAndLookAround()
}

mayooresan

class Dog : Animal{
    func run() {
        print("Dog is running now")
    }
    
    func stop() {
        print("Dog has stopped now")
    }
}

mayooresan

class Cat : Animal{
    func run() {
        print("Cat is running now")
    }
    
    func stop() {
        print("Cat has stopped now")
    }
}

mayooresan

class Cat : Animal{

}

mayooresan

class Cat{
}

mayooresan

protocol Animal{
    func run()
    func stop()
}

mayooresan

Generic UI Stuff

Creating and adding multiple bar buttons to navigation bar

let addBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(ViewController.addPerson(_:)))
let filterBarButtonItem = UIBarButtonItem(title: "Filter", style: .plain, target: self, action: #selector(ViewController.filter))

navigationItem.rightBarButtonItems = [addBarButtonItem, filterBarButtonItem]

creating a actionsheet style alert controller without using third party apps