Singleton mode from simple to deep (C# version)

Singleton mode from simple to deep (C# version) Sometimes, we want a class to have only one instance. The benefits are: 1. Data sharing can be realized 2. Avoid creating and destroying a large number of instances to improve performance In order to implement the singleton mode, the usual methods are: 1. Privatize the constructor to avoid exter ...

Posted by bentobenji on Wed, 13 Oct 2021 02:06:23 +0200

Design mode - front page - single case mode, factory mode

Singleton mode definition Singleton design pattern generally refers to the singleton design pattern of a class, which is to take certain methods to ensure that there can only be one object instance for a class in the whole software system, and the class only provides a method to obtain its object instance (static method). example For exampl ...

Posted by ashell on Fri, 08 Oct 2021 05:32:21 +0200

Types, advantages and disadvantages of Android singleton mode

catalogue Singleton mode definition: Core principle of singleton mode: What should be paid attention to when using singleton mode Single case of hungry man Lazy single case DCL single case (Double Check Lock) Static internal class singleton (recommended) Enumeration singleton Container single example last How to ensure thread safet ...

Posted by trilbyfish on Thu, 23 Sep 2021 11:37:54 +0200