Java

Currently, Tomcat, as an outstanding open-source JSP server, has been widely used in JSP development. however, as a software developed by an English-speaking Company, garbled characters are inevitable in Chinese environments. here we will summarize

TreeSet supports two sorting methods: Natural sorting and custom sorting. TreeSet uses natural sorting by default. 1. Natural sorting TreeSet calls the compareTo (Object obj) method of the Set element to compare the size relationship between

Preface In our actual work, printing is often required. However, due to historical reasons, the printing function provided by Java has always been weak. In fact, the original jdk does not support printing at all. It was not until jdk1.1 that a

Java has developed rapidly in various aspects since its publication, but printing and output have always been the weakest aspect of java. In fact, Java does not support any printing function. Java1.1 contains a class called PrintJob in the java. awt

This article mainly introduces WML knowledge and how to develop WAP applications.WML is an XML-based markup language. Its official instructions and specifications are maintained by the WAP Forum. WML document types are defined as xml file types,

I recently bought a machine as a source server and a few friends from other places to do something to play. However, due to the use of China Telecom's ADSL, the address is dynamic and changes every day when the machine restarts automatically. So I

Because I have never believed that Java will have a BUG that does not allow mixed display of multiple languages, this weekend I studied the problem of multi-language display of Servlet and Jsp, that is, the problem of multi-Character Set of Servlet,

JAVA global variables and local variables are similar in usage and nature in php and asp.net. I will introduce JAVA global variables and local variables in detail. Global variables:It is also called a member variable, which is a variable defined in

This article recommends a good example program for playing Wav audio files. If you want to use java, you can refer to it. The Code is as follows: Copy code Import java. io. File;Import java. io. FileInputStream;Import javax.

Original post content: LZ (that is, I am a younger brother): java (SE) You don't know. Here, I will give two board bricks with a thick face: 1. how to pass parameters to the main method when running java programs? During command line execution,

This tool class is a tool class for sorting by Object Attributes. The following functions are implemented: 1. sort by one attribute and multiple attributes of an object. 2. objects are listed in the forward and backward order of object properties. 3.

1. decompress the package;2, cd./qatools/pmd-bin-5.0.4/bin3. Modify exec_pmd.sh to modify the directory to be checked. Take useless code check as an example. The original content is:./run. sh pmd-d/home/wuhe. jyh/xxx/yyy/-rulesets java-unusedcode>

Unicode conversion, Chinese character conversion, unicode encoding Import java. util. regex. matcher; import java. util. regex. pattern; public class Translator {/*** convert Chinese characters to Unicode ** @ param s * @ return */public static

I have been researching a new development model over the past few days. So I will post it for you to share. Use open-source LAJP technology. Purpose: Verify the two Kingdom languages JAVA/PHP). Different Languages and mechanisms are combined. PHP is

In this example, the project of the previous blog is rewritten by integrating MyBatis with Spring. To this end, copy the jar packages used by the project to the lib directory of the project. Readers can download the project in this example at the

The log frameworks available for MyBatis include SLF4J, Apache Commons Logging, Log4J, and JDK logging. This article will transform the previous example to demonstrate the simple use of Log4J source code: http://down.51cto.com/data/521820. This

In real applications, there are sometimes large data objects that need to be transmitted, or publish and call web Services in a slow network environment, in this case, you can reduce the data packet size by compressing the data stream to improve the

JFinal 1.1.0 has been optimized, some small practical functions have been added, and some additional functions have been removed. Other changes are as follows: 1: Add com. jfinal. plugin. activerecord. tx. TxByRegex and TxByActionKeys. They support

After the JSP Engine is built, you can start to use the development tools for JSP programming. Currently, popular JSP development tools include IBM VisualAge, JBuilder, NetBeans, JRun, Urledit, dreamweaver, editplus, etc. Here we mainly introduce

The following are common coding problems for Java web applications: 1. html page Encoding In web applications, browsers usually decide what encoding to use based on the value of http header: Content-type, for example, Content-Type: text/html;