Basit kapsülleme örneği Swift 3 ile yazılmıştır.

Simple_Encapsulation_Example.swift

class Person {
    
    private var _name : String? = ""
    private var _surName : String? = ""
    
    var name : String?{
        
        get {
            return _name?.uppercased()
        }
        set(name){
            _name = name;
        }
    }
    var surName : String?{
        
        get {
            return _surName?.uppercased()
        }
        set(name){
            _surName = surName;
        }
    }
    
    init() {
        
    }
    
    init(name: String , surName: String) {
    
        self._name = name
        self._surName = surName
        
        print("\(self._name!.uppercased()) \(self._surName!.uppercased())")
    }
}