4.0.swift

import Foundation

class User: NSObject {

    let name: String
    let age: Int
    
    @objc init(name: String, age: Int) {
        self.name = name
        self.age = age
        
        super.init()
    }
    
    @objc func hireOC() -> Bool {
        return true
    }
    
    func hire() -> Bool {
        return true
    }
}