#828 – Implementing Both a Copy Constructor and ICloneable

A copy constructor is a constructor that creates a new object by making a copy of an existing object.  ICloneable is a standard interface that you can implement, whereby you’ll add a Clone method to your class.  The purpose of the Clone method is to make a copy of the existing object.

Neither a copy constructor nor the ICloneable interface dictates whether you make a shallow or a deep copy of an object.

Your class can implement both methods for making a copy of an object.

    public class Dog : ICloneable
    {
        public string Name { get; set; }
        public int Age { get; set; }

        // Standard constructor
        public Dog(string name, int age)
        {
            Name = name;
            Age = age;
        }

        // Copy constructor (shallow copy)
        public Dog(Dog otherDog)
        {
            Name = otherDog.Name;
            Age = otherDog.Age;
        }

        // ICloneable
        public object Clone()
        {
            return new Dog(this);
        }
    }
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About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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