It is option to declare within the class. All class have own constructor but if we don’t declare or forget then Dart compiler will create default constructor automatically by passing the default value to the member variable.
Read moreShould you define more than one constructor in C#?
A class can have multiple constructors, as long as their signature (the parameters they take) are not the same. You can define as many constructors as you need . When a Java class contains multiple constructors, we say that the constructor is overloaded (comes in multiple versions).
Read moreCan you have multiple constructors in C++?
In C++, We can have more than one constructor in a class with same name, as long as each has a different list of arguments . This concept is known as Constructor Overloading and is quite similar to function overloading.28 Haz 2021
Read moreCan you have multiple constructors?
The technique of having two (or more) constructors in a class is known as constructor overloading. A class can have multiple constructors that differ in the number and/or type of their parameters . It’s not, however, possible to have two constructors with the exact same parameters.
Read moreHow many constructors can a class define C#?
A class can have any number of constructors . A constructor doesn’t have any return type, not even void. A static constructor can not be a parametrized constructor. Within a class, you can create one static constructor only.
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