The six types of singleton mode, how to ensure thread safety, reflection safety and serialization safety, are finally clear this time
1, Foreword
The singleton mode belongs to the creation mode, which ensures that there is only one instance of the singleton class in the system. It can avoid frequent creation of an object and reduce memory consumption to a certain extent.
This article will explain various implementation types of singleton classes, and explain the measures to ...
Posted by grudz on Wed, 06 Oct 2021 09:10:38 -0700
Design mode - singleton mode
brief introduction
The class of a singleton object can only allow one instance to exist.
Many times, the whole system only needs to have a global object, which is conducive to coordinating the overall behavior of the system. For example, in a server program, the configuration information of the server is stored in a file. These configurat ...
Posted by feddie1984 on Thu, 02 Sep 2021 14:16:36 -0700