deep clone

First, superficial cloning1. By calling Oldarr.concat () or oldarr.slice ();2. In a shallow copy, if the element of the original array is a complex type, the element value points to the object's reference rather than the object itself, and the

Http://www.cnblogs.com/xrq730/p/4858937.htmlWhy do you want to cloneWhy use cloning, this actually reflects a very real problem, if we have an object:PublicClass SimpleobjectImplementscloneable{Private String str; public Simpleobject ()

PS One sentence: Eventually choose Csdn to organize the publication of the knowledge points of these years, the article parallel migration to CSDN. Because CSDN also support markdown grammar, Ah!OverviewPrototype mode is a creation design pattern

Recently, I was reading objective Java, where I talked about cloning, so today I want to study cloning.   We all know that there are two better ways to copy a corresponding one, one is serialization, and the other is cloning. It is convenient to use

1. parameter transfer We all know that there are two methods for passing parameters: value transfer and reference transfer. In the object-oriented language of Java, how is it? According to the following procedure, we can draw a conclusion: Class OBJ

Immutable. js details, immutable. js What is Immutable Data? Immutable Data is Data that cannot be changed once created. By using Immutable Data, we can easily handle cache, rollback, Data change detection, and other issues to simplify our

ArticleDirectory 1. Two simple string extension methods 2. datatable Extension Method 1. Quick assignment of two attributes of the same type of object (fast deep cloning) Sometimes we construct an instance A and assign a value.

In the book "Java and Patterns" of Dr. Shanhong, this describes the prototype (Prototype) pattern:The prototype mode belongs to the creation mode of the object. By giving a prototype object to indicate the type of all objects created, and then

Record a common face question, a deep clone of the object in JavaScript, reprinted from: http://www.2cto.com/kf/201409/332955.htmlToday we will talk about a common written test, interview questions, JS object in depth cloning. Turned over this topic,

1 protected native Object clone () throws Clonenotsupportedexception; 1. The method is modified by native keyword The native keyword in Java indicates that this method is a local method, "Java native description." Moreover, the native modified

This involves two classes, one for the person class and one for the test classThe first thing we're talking about is shallow cloning, which is completely unknown to an object when it's being cloned, it's simply a copy of domain-to-domain, and if

Interview often encounter clone of the relevant knowledge, today is finally a more thorough understanding of the clone! The concept of clone in Java everyone should be familiar with, it can make it very convenient to "make" a copy of the object,

I do not know whether we remember in the "Journey to the" in the Lotus Hole in the story of the Treasure, is the Monkey King skillfully grabbed the treasures, the gold and Silver Kok King that chapter. What does this story give us? What is the

1.clone ()Clone () throws Clonenotsupportedexception creates and returns a copy of this object. The exact meaning of a "copy" may depend on the class of the object. 1> Clone&copy      Assuming there is now

. Clone to implement the Cloneable interface;. depth clone and Shallow clone. Object. Clone ()1. Clone&copySuppose there is now an employee object, employee Tobby =new employee ("Cmtobby", 5000), passOften we will have such assignment employee

2. JavaScript data types and Language Basics (i) 2.1 Task description creates a JavaScript file, such as util.js ; practices methods for judging various data types, and implements the following methods in util.js :  // Determines

The two methods use the same code, one for the jquery object or for the common object, and one for the jquery object instance, and for the basic usage, give a few examples:The HTML code is as follows:DOCTYPE HTML>HTML> Head> title>title>

First:/*** clone the object ** @ author Jianhua. fengjh */@ suppresswarnings ("all") public class ucloneutil {/*** deep clone through serialization ** deep clone through JDK native Object serialization stream, although simple, however, the

1. Scenario Mode Consider this practical application: Order Processing SystemThere is a function to save the order. When the number of products exceeds 1000, split the order into two orders. There are two types of orders until each order is no more

Import java. AWT. Point; Import java. Io. ioexception; Import com. Sun. CORBA. se. impl. Io. optionaldataexception; /*** Clone test * Taking the Square type as an example, the similarities and differences between deep clone and shallow clone are