Java

/** Client 1, service Endpoint 2, read the client's existing file data 3, through the socket output stream to the server 4, read the service side Feedback 5, close **/import java.io.*;import java.net.*;class uploadclient{public static void Main

A listener is an object that listens to and handles events or state changes that occur on other objects and takes action immediately when the object being monitored occurs. A listener is actually a generic Java program that implements a particular

Today's day code, encountered stack stack class, special view Java API documentation, summarized as follows:Stack inherits the Vector class.The stack is characterized by LIFO.The method of stack itself is not many in the API, it is related to the

1. Heap memory and non-heap memory (non-heap memories)Java virtual machines have a heap, where the heap is a runtime data region, where all class instances and arrays of memory are allocated, heap memory is created at the start of the Java virtual

A: First look at the programLook at the results of the output:Thread-0, you're the 2nd thread to use a timer.Thread-1, you're the 2nd thread to use a timer.The result is clearly problematic:This is because two threads access the same timer object,

Manual release of the program to multiple nodes, do not do automatic synchronization, the occasional node program inconsistencies, so write a folder comparison of the small program, used to compare the two folders within the different files.

Section code gameframe. javaPackage com.leidian;import java.awt.borderlayout;import javax.swing.jframe;public class  GameFrame extends JFrame {        private  static final long serialversionuid = 1l;       

Java Simulation Implementation of Baidu document online browsingThis idea is my reference to the Internet, code is my implementation.Use the OpenOffice below Apache to convert the resource file into a PDF file, then convert the PDF file into a SWF

There are often some extensions to existing programs that you don't want to modify existing code. You can use the proxy method, commonly used agent technology has JDK Java.lang.reflect.Proxy, spring's agent and so on.For example, the method plus

"What's the matter, brother fish?" ”"Alas, do not mention, the net bought a dress, the results found and business description of the difference is too much, the color difference on it, quality is not good, quality is not OK, unexpectedly size is not

Today at home to try to build the same company as the development environment (Struts1+maven+resin), the results encountered a lot of problems, recorded, if you encounter similar problems, can be consulted;My project:

1. The JSON string is converted to Java Object 1.1. JSON string converted to Java bean Json2bean.java Package Jackson;import java.io.IOException;import Org.codehaus.jackson.map.ObjectMapper;Public class Json2bean

Common string APIs in JavaThese APIs are encapsulated in aImport Java.lang; (default import does not need to be imported manually)String. Length ()Returns the length of a stringString 1.equals (String 2)Determine whether the contents of two strings

What You Should Know About Dom4J and Dom4J Create a parser: SAXReader reader = new SAXReader (); Use the parser to read xml documents:Document document = reader. read (new File ("input. xml ")); Get the root node of the document: Element root =

54_55 summarizes and analyzes the design principle and structure of the dynamic proxy class, And 54_55 dynamic Log () is a system log. It can be modularized and hot-swappable by using the aspect programming to insert it around the invoke method.  

50_create a dynamic class and view its method list, 50 dynamic Package com. itcast. day3; import java. lang. reflect. constructor; import java. lang. reflect. method; import java. lang. reflect. proxy; import java. util. collection; public class

3. Servlet listener and Servlet listenerAuthor: Zen Lou wangyue (http://www.cnblogs.com/yaoyinglong) 1. ServletConfig and ServletContext 1.1 ServletConfig and ServletContext configuration and use Some information unrelated to the business logic

Servlet 1 (web basic learning notes 20) and servlet learning notes1. Servlet Introduction Servlet is a technology provided by sun for developing dynamic web resources.Sun provides a servlet interface in its API. To send a dynamic web Resource (that

Struts2 internationalization and struts2 Internationalization Method 1: Configure in struts. xml: Configuration Username = User Name -- Username = UserName On the jsp page: English | Chinese User name  

Configure sessions in the Jetty cluster to be stored in MySQL, MongoDB, and jettymongodb. In Web development, Session indicates the "Session" between the HTTP server and the client (such as a browser). Each client has its corresponding Session