deep clone

Java Technology _ Daily Master a design pattern (001) _ Design pattern concept and classification Java Technology _ Daily Master a design pattern (002) _ Use Scenarios and simple examples (create: Single case mode) Java Technology _ Daily Master a

/// /// baseobject class is an abstract class for you to derive from./// Every class that will be dirived from this class will support/// clone method automatically. /// The class implements the interface icloneable and there/// For every

First of all, we need to know that JavaScript in addition to the basic type (number,string,boolean,null,undefined) is a reference type, it can be said to be JS object.The assignment of a reference type is actually the assignment of the object to the

Shallow copy: Package clonemethod; public class shallowcopy {public static void main (string [] ARGs) throws clonenotsupportedexception {student s = new student ("S", 12 ); teacher T = new teacher ("T", 40, S); teacher Ct = (teacher) T. clone ();

#中有两种类型变量, one is a value type variable and one is a reference type variable.For the former, copy is a copy of the whole, whereas for the latter, the general copy is only a shallow copy, only the reference address, which is equivalent to passing

First, overview:Use the prototype instance to specify the kind of object to create, and create a new object by copying the prototypes.Simply put, a copy of the object creates a new object (the clone of the object), and the prototype pattern is an

There are two ways to clone in Java: shallow cloning and deep cloning superficial cloning It is only responsible for cloning data passed by value (such as base data type, string type) without copying the object it refers to, in other words, all

Read Catalogue Why do you want to clone?How to implement cloningShallow clones and deep clonesSolving multi-layer cloning problemsSummarize Say you want to copy a simple variable. Very simple:int apples = 5; int pears = apples; More

First, overview:Use the prototype instance to specify the kind of objects that are created, and create new objects by copying those prototypes. Simply put, a copy of the object creates a new object (the clone of the object), and the prototype

First, shallow cloning: In a shallow clone, if the member variable of the prototype object is a value type, a copy is copied to the cloned object, and if the stereotype object's member variable is a reference type, the address of the referenced

This article is from: Cao shenghuan blog column. Reprinted please indicate the source:Http://blog.csdn.net/csh624366188    The Creator mode is the most responsible design mode in the Creation Mode. The Creator is responsible for building each part

Prototype Pattern: Prototype Pattern and prototypepattern I. Overview: Use a prototype instance to specify the type of the object to be created and copy the prototype to create a new object. Simply put, an object is copied to generate a new object

You must know that. Net objects have two types: Value Type and reference type. The variable of the Value Type object represents the object and has the "Copy-on-assignment" action. That is to say, the following discussion does not apply to value

There are 23 modes in the design pattern. This is just for one purpose: decoupling + decoupling + decoupling ... ( cohesion poly-low coupling satisfies the opening and closing principle)Introduced:Use the prototype instance to specify the kind of

Today to learn the cloning of Java objects, in writing code, sometimes we write: Object 1 = Object 2, that is, Object 2 is assigned to object 1, but there is a problem, if we modify the property value of Object 2, the same property value of object 1

Prototype of Design Pattern The object created by the factory method is a new object, and its attributes are generally default. What I understand is that the prototype operation method creates a clone body, which can be considered as two steps: 1.

Java allows us to clone an object, often in decorative and prototype mode. So what is deep cloning and what is shallow cloning?"Shallow clone", usually just copy the cloned instance, but the other child objects inside are common."Deep clone", when

PS: This analysis is based on more than 2.0 versions;jquery extend everyone is not unfamiliar, is also an important interface of jquery, wrote jquery components have been used extend it!First of all, two $.extend () and $.fn.extend ();When writing

[Turn your rational mind slowly into a conditioned reflex] In this paper, we introduce the prototype model, the topic structure of the article is consistent with the upper. Practice, let's take a look at the environment of our example

Objective In the previous article we learned about the factory model, introducing simple factory models, factory methods, and abstract factory models. This article introduces the builder pattern and prototype pattern in the design pattern that