Strategy Design Pattern is a type of behavioral design pattern that encapsulates a “family” of algorithms and selects one from the pool for use during runtime. The algorithms are interchangeable, meaning that they are substitutable for each other. The key idea is to create objects which represent various strategies.
Read moreWhat is difference between Strategy pattern and command pattern?
The main difference is , the command does some action over the object. It may change the state of an object. While Strategy decides how to process the object . It encapsulates some business logic.
Read moreWhy is it called Strategy pattern?
The idea behind the strategy pattern is that “algorithms can be selected at runtime.” (Wikipedia, Strategy Pattern) The pattern, in essence, is selecting the right strategy (or behavior) for solving a particular problem at runtime . Hence, it’s name.
Read moreWhat is List Builder in Flutter?
ListView is a very important widget in flutter. It is used to create the list of children But when we want to create a list recursively without writing code again and again then ListView. builder is used instead of ListView. ListView. builder creates a scrollable, linear array of widgets .30 Haz 2021
Read moreWhat is List Builder in Flutter?
ListView is a very important widget in flutter. It is used to create the list of children But when we want to create a list recursively without writing code again and again then ListView. builder is used instead of ListView. ListView. builder creates a scrollable, linear array of widgets .30 Haz 2021
Read moreWhat is a Flutter builder?
A builder is a Flutter design pattern in which the construction code of a widget is defined outside of its class . Builder functions are callback interfaces that pass data (often layout-specific) to the parent widget which returns a child based on that data.
Read moreWhat is a Flutter builder?
A builder is a Flutter design pattern in which the construction code of a widget is defined outside of its class . Builder functions are callback interfaces that pass data (often layout-specific) to the parent widget which returns a child based on that data.
Read more