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Enum type converted to int typeCases:1 Public enum Gender 2 {3 male,4 female 5} 6 7 Gender Gender =8int a = Gender; 9 Console.WriteLine (a);Input Result:0There is also a feature:1 Public enum Gender 2 {3 male =5,4 female 5}67 Gender Gender =8int a

Original address: http://developer.51cto.com/art/201202/317181.htm1. What is the serialization of Java objectsThe Java platform allows us to create reusable Java objects in memory, but in general, these objects can exist only when the JVM is running,

1. Constants:Methods for declaring constants:Const constant (note to capitalize)//The left of the assignment number must be a variable, and the constant cannot be re-assigned/* Do not want to be changed the amount is generally set as constant */2.

1. What is Java object serialization The Java platform allows us to create reusable Java objects in memory, but in general, these objects can exist only when the JVM is running, that is, the life cycle of these objects is no longer than the life

Reprinted fromHttp://www.blogjava.net/jiangshachina/archive/2012/02/13/369898.html The article on Java serialization has long been full of resources. This article is a summary of my past studies, understanding and application of Java serialization.

Enumeration class: 1 Public EnumGender {2Man, woman3} Person class: 1 Import Java. util. date; 2 3 Import Javax. Persistence. column; 4 Import Javax. Persistence. entity; 5 Import Javax. Persistence. enumtype; 6 Import Javax.

Struts2 custom Type converters are divided into local Type converters and Global Type converters (1) local type converterIf reg. action? Birthday = to the background action, and then the property can be received using the date type, but if the input

Soon to leave from Sina, the mood is more relaxed recently, take a little space to tidy up the mechanism of the structure function and prototype.We all know that in the classic design mode we are most commonly used in the Factory mode, the

Hibernate enum Mapping detailedHere we introduce the form of annotations, and if you want to understand how XML is configured, you can find the relevant data yourself.For example, the following entity@Entity @table (name= "T_user") Public

1.1. Definition and characteristics of thingsA transaction is a unit of work that consists of a set of SQL statements that manipulate a database, in which all operations succeed at the same time or fail at the same time. Things have the following

Java basics --- reflection mechanism, java basics ---1. Is java a Dynamic Language? Generally speaking, dynamic language means that the program structure or variable type can be changed while the program is running. From this point of view, JAVA and

Detailed description of Struts2 single-choice buttons and sample code for converting enumeration types. This article mainly describes the Struts2 framework radio button details and examples of Enumeration type conversion, as follows. To use the

This article mainly introduces the concepts related to JavaScript object-oriented programming, such as classes, objects, attributes, methods, and other object-oriented terms, and explains the use of various terms with examples, this is a very good

C#. NET and introduction to the IDEFirst, what is. Net?. NET refers to the. NET Framework framework, a platform, a technology.The. NET Framework framework is an integral part of the. NET platform, and it provides a stable operating environment to

STRUTS2 custom type converters are divided into local type converters and global type converters(1) Local type converterIf the page comes with a parameter reg.action?birthday=2010-11-12 to the background action, then the property can be received

CacheManager: Manage various components;Cache: The interface that actually operates the buffer;@Cacheable: cacheable, if labeled in a method, then the return result of this method will be cached;@CacheEvict: Empty the cache, when a user is deleted,

Java learning from scratch (reflection I), java from scratch1. Is java a Dynamic Language? Generally speaking, dynamic language means that the program structure or variable type can be changed while the program is running. From this point of view,

  Despite the differences between object-oriented JavaScript and other languages, and this has caused some controversy, there is no doubt that JavaScript has powerful Object-Oriented Programming capabilities. This article first introduces

1. Dependent jar package: 2. configuration file: XML version = "1.0" encoding = "UTF-8" ?> Persistence Xmlns = Http://java.sun.com/xml/ns/persistence" Xmlns : Xsi = Http://www.w3.org/2001/XMLSchema-instance" Xsi :

Since it was the first time to use WebService, it is not very easy to understand in many places. At first, we thought we needed to pass in or return a custom type. [System. xml. serialization. xmlinclude (typeof (...)] Msdn Description: allows