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")
}
}
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