implements serializable

Source of the problemWhen using the SSH architecture to develop a Web application, there is always a one-to-many, many-to-a, many-to-many relationships between tables, and for many-to-many relationships, in terms of operation and performance are not

I. The concept of serialization and deserialization　　The process of converting an object to a sequence of bytes is called serialization of an object .　　The process of reverting a sequence of bytes to an object is called deserialization of the object

1. Use Randomaccessfile to achieve file compositing.2. Use serialization technology in Java to implement an object graph (100 cat cat collections, but cat owner does not need serialization) for deep replication.3. Describe the serialization of the

I. The concept of serialization and deserialization　　The process of converting an object to a sequence of bytes is called serialization of an object .　　The process of reverting a sequence of bytes to an object is called deserialization of the object

The JPA annotations Persistence class is convenient and requires a jar package: Ejb3-persistence.jar. I use the following three classes to illustrate usage.SH Original reprint Please specify: http://67566894.iteye.com/blog/659829Java code

JAVA programming (19) ----- setting up a Server Client that queries information supports concurrent Multithreading Design and develop a server program that provides traffic violations and weather conditions in major cities. If you enter# JT #

In-depth analysis of JavaWeb Item45 -- Struts2 encapsulation Request Parameters and type conversion As an MVC Framework, it must be responsible for parsing HTTP Request Parameters and encapsulating them into Model objects. Struts2 provides a very

How to store the state of an object:1 serialization (if the data is used only by programs that you write yourself)Creates a file, writes the serialized object to the file, and then reads the serialized object into a file in the program and

The readResolve feature allows you to substitute another instance for the one created by readObject [Serialization, 3.7]. If the class of an object being deserialized definesReadResolve methodWith the proper declaration, this methodIs invoked on

Cold knowledge of serialization and deserialization in java, java serialization knowledge Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 I will not elaborate on what serialization is and why serialization is required.

Tinking in Java --- NIO of Java and Object serialization I/O in the previous blog is called classic I/O, because most of them have been created since Java1.0. Today, this blog is about NIO, therefore, NIO is a series of improved input/output

Configuration-based custom simple struts (understand struts Principles) Struts's configuration-based action jump method is very convenient to use. I also mimic struts's action to implement a simple operation defined by myself through the

Resolve View queries in JPA This article mainly analyzes and introduces the View query problem of JPA in detail. If you need a friend, please refer to it and hope to help you. When I met a requirement last night, I had to generate a report to the

Absrtact: The long connection between server and client is realized through Netty, and heartbeat detectionThe long connection between server and client is realized through Netty, and heartbeat detection.Basic idea: The Netty server saves all

Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992As to what is serialization, and why the knowledge of serialization is no longer elaborated, this article mainly discusses some special points of the situation.How to achieve

Serialization ofThe goal of object serialization is to save the object to disk, or to allow the object to be transferred directly in the network. The object serialization mechanism allows the translation of in-memory Java objects into a

The first step is to write a comment:Part Two, copy templateThe third step, fill in the blanks:DescriptionMany-to-one, a-to-many column's name is taken by itself, but the corresponding two column of the two relations must be the same;Generally in

If you only know the object that implements the Serializable interface, you can serialize it to a local file. Then you'd better read the article, which is a further discussion of serialization, with real-world examples of the high-level

Sometimes, you may also encounter such interview questions, such as: What are some ways to create objects in Java? What are some other ways to create Java objects besides new? This article unifies the example, gives several Java to create the

In the article Java Socket Chat room programming (i) the use of socket to implement chat message push we talked about how to use the socket to allow the server and the client to pass messages between the message to achieve the purpose of the push