Is copy constructor allowed in Java?

Like C++, Java also supports copy constructor . But, unlike C++, Java doesn’t create a default copy constructor if you don’t write your own.17 May 2021

When Copy Constructor is called Copy Constructor is called in the following scenarios: When we initialize the object with another existing object of the same class type . For example, Student s1 = s2, where Student is the class. When the object of the same class type is passed by value as an argument.

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.

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