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@pgpt10 pgpt10/DeepShallow3.swift
Last active Jun 10, 2018

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class Address: NSObject, NSCopying
var city: String?
init(_ city: String?)
{ = city
func copy(with zone: NSZone? = nil) -> Any
let address = Address(
return address
var a1 = Address("Mumbai")
var a2 = a1.copy() as! Address //This will create a Deep Copy of a1
print( //Mumbai
print( //Mumbai = "Bangalore"
print( //Mumbai
print( //Bangalore
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