Programmer Group

The emergence of Coroutines has subverted the programming style of Java for many years. If you are the author of a third-party library, you may want to use Coroutines and Flow to make your Java callback based library more Kotlin and collaborative. On the other hand, if you are an API consumer, you may prefer to access the Coroutines style API t ...

Concept and definition of FST The full name of FST serialization is Fast Serialization Tool, which is an alternative implementation of Java serialization. Since the two serious shortcomings of Java serialization mentioned above have been greatly improved in FST, the characteristics of FST are as follows: The serialization provided by JDK i ...

The Birth of Cat Food Company Gyroscope is a program. It started its own company. In order to commemorate the years when dream was born, the company named "Running Yard" and its main business is cat food production. A Miao that takes R&D and operations into account is not a long-term solution. So I hired a vegetable mew to be an ...

Summary of some common code specifications preface name 1. Named length selection 2. Simplify naming with context 3. Naming should be readable and searchable 4. How to name an interface notes 1. What should I write 2. Are the more comments the better Code style 1. How big is the function 2. How long is the most appropriate line of code ...

1, Introduction to responsibility chain model 1.1 definitions The Chain of Responsibility Pattern creates a chain of receiver objects for requests. This mode gives the type of request and decouples the sender and receiver of the request. This type of design pattern belongs to behavioral pattern.In this pattern, each recipient usually c ...

Singleton mode 02: lazy mode Text start@Assassin 1. Review the hungry Han model: Briefly review the hungry man mode in a single case mode~ I'm hungry man mode! The so-called hungry man mode means that as long as the class is loaded, the object gf will be created. Even if GF is not used, it will be created. This is the loading mechanism ...

This article is excerpted from the Flyweight Pattern of "design patterns should be learned in this way"1 story backgroundBecause a programmer changed a method parameter in the production environment and changed the int type to Integer type, because money was involved, the company suffered heavy losses and the programmer was dismissed. ...

This article is excerpted from the Flyweight Pattern of "design patterns should be learned in this way" 1 story background Because a programmer changed a method parameter in the production environment and changed the int type to Integer type, because money was involved, the company suffered heavy losses and the programmer was dism ...

Design pattern - abstract factory pattern meet Simple factory mode,Factory method model In the factory method mode in the previous chapter, a factory only produces one product, which has good scalability, but in reality, factories are diversified. A factory can create a series of products. At this time, the factory method mode is not applicab ...

1 simple factory mode 1.1 definitions Simple factory mode is also called static factory mode, but it does not belong to one of the 23 design modes. Simply put, there is a class that provides a creation method createProduct to determine which class to instantiate according to the received value, but the classes that can be instantiated by this ...