abstract class in swift
class Animal {
func sound() {}
}
class Cat: Animal {
override func sound() {
print("miauw")
}
}
class Dog: Animal {
override func sound() {
print("woof")
}
}abstract class in swift
class Animal {
func sound() {}
}
class Cat: Animal {
override func sound() {
print("miauw")
}
}
class Dog: Animal {
override func sound() {
print("woof")
}
}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 biweeklyCopyright © 2021 Codeinu
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