This article is from here, the original author Weibo MicrocaiConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies
Http://www.cnblogs.com/BlueTzar/articles/1223313.html
-------------------------------------------------- C ++ copy constructor (deep copy, light copy)
For common objects, copying between them is very simple, for example:Int A = 88;Int B
1. Basic concepts:
First, we should know what deep copy and shallow copy are ).
A. Shallow copy Shadow Clone: only copies the basic type of the object. The object type still belongs to the original reference.B. Deep copy (deep copy): Copies the
Deep copy and shallow copy this question is often asked in the interview, and in the actual development, as long as the slightest careless, there will be problems here. Especially for beginners, it is necessary for us to study this concept carefully.
Transferred from: https://www.zybuluo.com/MicroCai/note/50592ConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies
Http://blog.csdn.net/xdrt81y/article/details/24331103Before reading this article, I first want to know the differences between copy and retain. If there are any errors, I hope you can give me more advice:
Differences between copy and retain:
Copy is
I. Differences between the copy constructor and the constructor:
A copy constructor is a special constructor called by the compiler to construct and initialize Other Objects Based on the same class. Its unique parameter (Object Reference) is
Deep copy and shallow copy of IOS collectionArchivesiOSConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies the
(If you encounter the problem of deep copy and shortest copy during encoding today, find this article online and repost it by: Yangchen.) before reading this article, first understand the differences between copy and retain, if there are any errors,
ConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies the entire object memory directly into another
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