Factory constructors return am instance of the class, but it doesn’t necessarily create a new instance . Factory constructors might return an instance that already exists, or a sub-class. Rules for factory constructors: Factory constructors do use the return key word.
Read moreWhat is constructor in flutter?
Constructor is a special method of Dart class which is automatically called when the object is created . The constructor is like a function with/without parameter but it doesn’t have a return type.
Read moreWhat is _internal in Dart?
The _internal construction is just a name often given to constructors that are private to the class (the name is not required to be . _internal you can create a private constructor using any Class.
Read moreWhat is the advantage of factory constructor?
The factory method is a smart way to create objects in Java and provides several advantages over the traditional approach of creating objects using constructors in Java. It can also improve the quality of code by making the code more readable, less coupled, and improves performance by caching .
Read moreWhat is the advantage of factory constructor?
The factory method is a smart way to create objects in Java and provides several advantages over the traditional approach of creating objects using constructors in Java. It can also improve the quality of code by making the code more readable, less coupled, and improves performance by caching .
Read moreWhat is named factory and default constructors?
A named constructor can only generate the instance of the current class. A factory constructor can decide which instance to return on runtime, it can return either the instance of the current class or any of the instances of its descendants class.
Read moreWhat is named factory and default constructors?
A named constructor can only generate the instance of the current class. A factory constructor can decide which instance to return on runtime, it can return either the instance of the current class or any of the instances of its descendants class.
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