serializable class

The class marked by [serializable] is a serializable class. Let's see what serialization means. Serialization refers to the process of storing the status of the object instance to the storage media. In this process, first convert the Public and

Windows Programming _ sun Xin C ++ lesson13 documentation and serialization Highlights of this section:1. Understand the carchive class and serialized operations2. Modify and obtain application-related fields3. the breakpoint tracking method to

Objectoutputstream OOS = NULL; try {// determine whether the file exists. If the file exists, first delete the file filestorage = new file (filepath + filename); If (filestorage. exists () {filestorage. delete () ;}// check whether the file path

  The command line Syntax of javadoc is as follows:Javadoc [options] [packagenames] [sourcefiles] [@ files]Parameters can be arranged in any order. The following describes these parameters and related content:• Packagenames package list. This option

The front-end time has just completed a project and finally has time to summarize and review it. Project requirements: send emails to users. emails are classified into system emails and personal emails, which need to be sorted by time and unread in

What is serialization and deserializationSerialization (serialization) is the process of converting an object or object graph (a view of an object at a specific point in time) into a byte stream. Deserialization (deserialization) is the process of

1) to make an object a serialized object, this class implements the Serializable or Externalizable interface (Externalizable interface inheritance and serializable interface).This serialization only serializes the object's non-transient instance

@SuppressWarnings ("XXXX") to suppress compile-time warning messages. The parameters are as follows: Key words Use All To suppress all warnings Boxing To suppress warnings relative to

Excerpt http://www.cnblogs.com/peida/archive/2013/04/23/3036035.htmlWhat is an annotation (Annotation):　　Annotation (note) Is that Java provides a way and a way for an element in a meta-program to correlate any information with any metadata

1. First define the registration class Registerentity [Serializable] class registerentity { stringbool publiclistint> Public Public DateTime expiredate;} Registerkey, registration code (serial number)Isregistered, have you

This course focuses onSpark, the hottest, most popular and promising technology in the big Data world today. In this course, from shallow to deep, based on a large number of case studies, in-depth analysis and explanation of Spark, and will contain

Explanation One:Block some compile-time warning messagesThe compiler gives a warning when a type conversion is coercedPlusProgram code@SuppressWarnings ("Unchecked")You won't be warned.EXPLANATION Two:Note TypeWhen your code may have a warning, such

Communication Framework for Networkcomms 2.3.1When using TCP communication, the client sends a message to the server, such as a message is the login message B message is the update password message server side how to distinguish A and B, and call

Serialization is the process of converting an object into a byte stream to achieve its long-term retention in memory, database, or file. Its primary purpose is to preserve the state of the object for later use when needed. The opposite process is

When the TCP channel is used, the default serializer for. NET remote processing is System. Runtime. Serialization. Formatters. Binary. BinaryFormatter. WCF uses SOAP to send messages, that is, the format is XML. You can set the XML encoding method

To enable an object to support serialization, you must make its class serializable. That is, this class must implement one of two interfaces: serializable and externalizable. Serializable is a flag interface that does not need to implement any

Introduction: Java. Lang. suppresswarnings is one of the standard annotation in j2se 5.0. It can be labeled on classes, fields, methods, parameters, constructor methods, and local variables. Purpose: Tells the compiler to ignore the specified

Essential conditions for serializable[Transferred from "getting down to MFC", Hou Junjie] To make an object capable of serialize, it must be derived from a serializable class. If a class is intended to become serializable, the following five

Serialversionuid the serialization mechanism for Java. In simple terms, the serialization mechanism of Java is to verify version consistency by judging the serialversionuid of the class. When deserializing, the JVM compares the serialversionuid in

Transferred from: http://www.open-open.com/lib/view/open1473649808122.htmlWhat are annotationsWe all know that the use of annotations in Java code is to explain something to someone who reads it later, that annotations are an upgraded version of