Abstract classes in Swift

Abstract class in swift

class Animal {
    func sound() {}
}

class Cat: Animal {
    override func sound() {
        print("miauw")
    }
}

class Dog: Animal {
    override func sound() {
        print("woof")
    }
}

Source: cocoacasts.com

Abstract classes in Swift

protocol Employee {
    var annualSalary: Int {get}
}

extension Employee {
    var biweeklySalary: Int {
        return self.annualSalary / 26
    }

    func logSalary() {
        print("$\(self.annualSalary) per year or $\(self.biweeklySalary) biweekly")
    }
}

struct SoftwareEngineer: Employee {
    var annualSalary: Int

    func logSalary() {
        print("overridden")
    }
}

let sarah = SoftwareEngineer(annualSalary: 100000)
sarah.logSalary() // prints: overridden
(sarah as Employee).logSalary() // prints: $100000 per year or $3846 biweekly

Source: stackoverflow.com

Similar codes

1 vote326 views1 answer
Changing color of background swift
Swift
0 vote350 views1 answer
Swift remove from array
Swift
0 vote350 views1 answer
PDF Preview in Swift iOS
Swift
2 votes343 views1 answer
Swift pop to specific view controller
Swift
5 votes378 views1 answer
Split a String into an array in Swift
Swift
0 vote343 views1 answer
Swift set keyboard next functionality
Swift
0 vote362 views1 answer
Hide bottom tab bar swift
Swift
2 votes343 views2 answers
Swift reload tableview
Swift
1 vote320 views1 answer
Swift set view z order front
Swift
0 vote347 views1 answer
Data source in swift
Swift