Java

Allen Holub points out that the threading model of the Java programming language may be the weakest part of the language. It is completely unsuited to the requirements of the actual complex program and is not object oriented at all. This article

Running a Java program (a swing or SWT desktop program) can directly execute a. class file or compress all. class files and related other files into a. jar file, and then use the Javaw-jar My.jar to run the program (where My.jar is a jar file name,

To accomplish useful work, peers in peer-to-peer applications must be able to discover each other and interact with each other. This article provides an implementation of a discovery based on IP multicast. Before a software entity can participate

Since both JButton and JTree have implemented the serializable interface, the serialization and reading of the Java Swing components can be done. The method is to use ObjectInputStream to read the objects in the file and write the object to the

How does a Java regular expression implement a conditional query instance? We are in the actual development process will encounter such a real demand, then we look at the specific implementation process, I hope to help you. Java Regular Expression

Ajax Clearnova will open the Open-source thinkcap JX AJAX and Java Rapid Development platform, based on the GPL protocol. Clearnova's Thinkcap JX Express platform, based on Struts, Hibernate, Jfreechart and other 25 open

Xml If the XML file contains Chinese, you need to add can be resolvedFor instance:A XML file like this:" Import Javax.xml.parsers.DocumentBuilder;Import Javax.xml.parsers.DocumentBuilderFactory;Import org.w3c.dom.*; public class

The servlet servlet API has long been the cornerstone of enterprise application development, while servlet filters are a relatively new complement to the Java family. This article introduces you to the Servlet filter architecture, defines many of

Program | data | database | display Principle: reads a blob to a BLOB object from the database. Blob blob = Rs.getblob (2); Pass the blob to the stream. Create an Image object with the stream parameter Displays the image object. Description:

Calling external commands in Java execcommond{public Execcommond () {}/** * executing a command * @param execstr string Command strings * @return string The information when the command error is executed. */public static string exec (String execstr)

Performance Tail-recursive conversions can speed up the application, but not all jvms do the conversion Many algorithms use the tail-recursion method to express themselves to be particularly concise. The compiler automatically converts this method

public static String loadAFileToStringDE1 (File f) throws IOException { Long begintime = System.currenttimemillis (); InputStream is = null; String ret = null; try { is = new Bufferedinputstream (new FileInputStream (f)); Long contentlength =

Notes 31. Converted from encapsulated object to basic data type: obj. Xxxvalue (); obj is an object that encapsulates the class, and XXX is the representation of the encapsulated object The base data type.32, converted from string to basic data type:

1. A method for qualifying the end of a string (example: Let the end not contain,-,,)while (Strtrue.endswith ("+") | | Strtrue.endswith ("-") | | Strtrue.endswith (","))//filter out the end of the + + numberStrtrue=strtrue.substring

Array People who just started touching Java arrays will hear a similar phrase: Java is a pure object-oriented language, and his array is an object. As a then, the author of an object in the way to use the array, peace of conscience. It was not until

Summary This article provides some introductory guidance for Java Community developers who want to integrate Silverlight into the solution. Microsoft Silverlight is a cross-browser, Cross-platform, and Cross-platform Browser plug-in designed to

Java 1.0 and 1.1 libraries are missing the same thing is arithmetic operations, not even the simplest method of sorting operations. Therefore, it is best to create a vector that uses the classic quicksort (Quick Sort) method to sort itself.One of

Annotations are no more useful than annotations if there is no method or work for reading annotations. In the process of using annotations, it is important to create a use of the annotation processor. The Java SE5 expands the reflection mechanism

Eclispe Common Shortcuts & all shortcut keys in Java developmentctrl+1 Quick Fix (classic shortcut key)ctrl+d: Delete the current rowctrl+alt+↓ Copy the current row to the next row (replication incremented)ctrl+alt+↑ Copy the current line to the

In the previous article in this series of tutorials, the underlying architecture of the collection framework in the JDK was demonstrated using paint. For the collection group, its top-level interface is the Iterable interface, and it is estimated