A constructor in C++ is used to initialize an object . A copy constructor is a member function of a class that initializes an object with an existing object of the same class. In other words, it creates an exact copy of an already existing object and stores it into a new object.
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A copy constructor in a Java class is a constructor that creates an object using another object of the same Java class . That’s helpful when we want to copy a complex object that has several fields, or when we want to make a deep copy of an existing object.3 May 2020
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