Java multi-threading ~ implements the singleton mode in two modes: "hungry man" and "lazy man"

content What is the singleton pattern? How to implement the singleton pattern through code? hungry man mode lazy mode Single thread version Multithreaded version double check method What is the singleton pattern? The singleton pattern is a type of design pattern. The singleton pattern means that when a class is provided for use else ...

Posted by mikeatrpi on Fri, 20 May 2022 22:24:49 +0300

Singleton mode of software design

When programming, no matter you write your own code or look at other people's code, you often encounter a design mode called singleton. The problem to be solved by this mode is to provide a global and unique instance object in a system. Listening to a tongue twister sentence, I use a diagram to illustrate: As shown in the figure above, let ...

Posted by meomike2000 on Sun, 15 May 2022 01:14:14 +0300

Summary of common design patterns

This article is my study notes, mainly Learn self fashion Silicon Valley design pattern video Shang Silicon Valley design mode Factory mode mainly comes from Snail college design mode 1 observer mode The meteorological station designs an open API to push data to the website. When updating meteorological data, it needs to * * inform (push) ...

Posted by n00byboy on Mon, 02 May 2022 23:07:35 +0300

Design pattern: Proxy Pattern

Static proxy: An object uses multiple proxies. The class that implements the proxy is xxxProxy. Proxy also implements the interface of the proxy object, so nested proxy can be realized. The proxy class of static proxy is written in advance. The premise is that we know the proxy method of the proxy object by implementing the specified interface ...

Posted by bitt3n on Tue, 26 Apr 2022 07:59:29 +0300

Design mode --- single case mode

catalogue Overview of singleton mode Structure and implementation of singleton mode Implementation of singleton mode summary 1. Main advantages 2. Main disadvantages 3. Applicable scenarios Overview of singleton mode Brief overview: Singleton pattern: ensure that a class has only one instance, and instantiate it by itself and provi ...

Posted by ocd on Wed, 20 Apr 2022 13:06:00 +0300

[design pattern learning notes] detailed explanation of single case mode (lazy type meets multithreading problem analysis based on C + +)

catalogue 1, What is singleton mode 1. Design mode 2. Singleton mode 2, Implementation of singleton mode 1. Lazy singleton mode 1.1 how to ensure that there is only one instance object 1.2 defects of lazy singleton mode 2. Lazy singleton mode and multithreading 2.1 multithreaded construction object 2.2 starving Han style single instan ...

Posted by dkode on Fri, 15 Apr 2022 04:34:51 +0300

Design pattern Part7 - singleton pattern

Singleton pattern is the simplest design pattern. Its core structure only contains a special class called singleton class. The single instance mode can ensure that there is only one instance of a class in the system, and the instance is easy to be accessed by the outside world, so it is convenient to control the number of instances. 1, Overvie ...

Posted by bt227 on Tue, 12 Apr 2022 09:12:45 +0300

Operating system -- multithreading Foundation

preface Try your best to write all the knowledge points involved. One or two blogs can't be summarized. After that, you must explain some knowledge points in detail. I. what is thread The loading process of a class and the properties of a process are also described earlier. A process is a run of a program with certain independent fun ...

Posted by dastaten on Fri, 01 Apr 2022 07:49:34 +0300