The semantics that you use within a copy constructor can be to make a shallow copy of an object or a deep copy.
In the example below, the copy constructor for Dog makes a deep copy of the object passed in. In this case, that means that the new Dog that is created will also have a new instance of DogCollar object, copied from theDogCollar property of the original Dog object.
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| public class Dog{ public string Name { get; set; } public int Age { get; set; } public DogCollar Collar { get; set; } // Constructor that takes individual property values public Dog(string name, int age) { Name = name; Age = age; } // Copy constructor (deep copy) public Dog(Dog otherDog) { Name = <span class="skimlinks-unlinked">otherDog.Name</span>; Age = <span class="skimlinks-unlinked">otherDog.Age</span>; Collar = (otherDog.Collar != null) ? new DogCollar(otherDog.Collar.Length, <span class="skimlinks-unlinked">otherDog.Collar.Width</span>) : null; }} |