boxing and unboxing

Source: Http://www.tracefact.net/CSharp-Programming/Generics-In-CSharp.aspx GlossaryGenerics: GenericsType-safe: Type safetyCollection: CollectionCompiler: CompilerRun Time: Program runtimeObject: Objects. NET Library:. NET class LibraryValue type:

When you use a series of strings (strings) in C # code and need to create a list for them, the,list generic class is a very good solution for storing a series of strings (strings). Here are some examples of list generic classes, let's take a look at

. NET Six musketeers: Stacks, heaps, value types, reference types, boxing and unpackingOne. " Heap "," stack "zoneI believe you are too familiar with these two words, even rice is what? I don't know... What is "heap" and "stack"? Oh, this one knows .

2018-08-12 23:03:05Boxing is the process of converting a value type to a object type or to any interface type implemented by this value type. When the CLR is boxing a value type, it wraps the value inside the System.Object and stores the latter on

2018/8/4C # interview Series continuedWhat is the difference between "System.Array.Clone ()" and "System.Array.CopyTo ()"?1. "CopyTo ()" Copies elements from one array to another.2. "Clone ()" Creates a new array that contains all the elements of

In this paper, the covariance and inversion of c#4.0 new features are described, which will help us to master the c#4.0 program design. The specific analysis is as follows:First, the c#3.0 and the inverse of the previous transformationIf this is the

Reference from: http://www.cnblogs.com/anytao/category/155694.html Author: anytao This article introduces the following: •Type conversion • Is/Operator Discussion 1.Introduction  Type security is one of the key considerations at the

Document directory 1. Space Change Time 2. Cache) 3. hotspot Code optimization is a very technical activity. There is no common method, but some common ideas/modes can be summarized. Below we will record some of my ideas/patterns, or there may

Http://space.itpub.net/12639172/viewspace-503457 1. Any type can be safely converted to its base class type, which can be completed by implicit conversion; Display conversion is required when any type is converted to its derived type. conversion

 Have a question A a = new (); Object B =; A c = B as; Such conversion and A a = new ();Object B =;A c = (A) B; What are the differences between them?   First: resentment: is and As implementedReference TypeWithout exception, B as A can be

Unlike c ++, there is no multi-inheritance, which makes people feel happy ...... At least I think so (Multi-inheritance makes code difficult to understand and debug. Of course, multi-inheritance also has its advantages, such as being more flexible ).

This article will go on to the topic of the previous article to discuss another question about resource files, how to use resource files in Visual C. In the previous article, we have successfully created a resource file named "My. resources. This

Q: In C #, how do we express enumeration types? A: You can use the enum keyword (keyword) to declare an enumeration type (enum type ): // Code #01   public enum Alignment   {       Left,       Center,       Right   }   ------------

1. Make Rational Use of Cache 2. Do not use sessions on the page unless required. If used, you can also differentiate the status and set the readonly mode. 3. Disable the viewstate of a page or control unless required. 4. Try not to use COM

C # answers to short answer questions [Reproduced] Http://season.ouc.edu.cn By icyfire It seems to be a question for many interview questions. However, I am sending a reference to the exam. If you have any questions about the answers, contact iron !

Visual C # resource file programming-create a resource file A resource file is a file that stores resources. Resource files have their own unique advantages in programming. They are independent from source programs, so that resource files can be

Create a resource fileA resource file is a file that stores resources. Resource files have their own unique advantages in programming. They are independent from source programs, so that resource files can be used by multiple programs. At the same

Introduction (Note: Oop stands for Object-Oriented Programming, and OO stands for object-oriented, which will be abbreviated later) So far, all programs we have written are created around functions, namely the statement block for manipulating data.

Padding-left: 3px; padding-Right: 5px; "class =" noprint "> 1. Object-oriented ideas mainly include: inherited multi-state Encapsulation ● Encapsulation: the data and data-based operations are encapsulated with abstract data types, and the data

Parameters of the arraylist class are involved in the following method: /// /// Execute multiple SQL statements to implement database transactions. /// /// Multiple SQL statements Public static void executesqltran ( Arraylist sqlstringlist ) //