Java

Is your J2EE application running slowly? Can they withstand rising traffic volumes? This article describes how to develop high-performance and highly elastic JSP pages and Servlet performance optimization technologies. It means to build as fast as

10. Relational Database) Relational databases are widely used because they lack scalability in large-scale Web services. However, relational databases are still the greatest achievement in computer technology in the past 20 years. Relational

We know that jsp xml xslt can be directly output to browsers that support XML, such as IE 5.0 or later. However, we also need to consider that many Browsers Do not directly support XML. In this case, we need to convert to html output to the browser

  SummaryJ2SE 1.4 added the assertion function in JAVA. In the simplest case, a Boolean expression can be written to any row in the JAVA code. If the expression is true, add the assert keyword at the beginning of the line of code, the Code continues

Fan Huan is a java enthusiast.Email: heydaymail@hotmail.comBlog: http://heyday.blogone.net2005-6-13Reference addressIntroductionJava is a cross-platform language. We often encounter the need to call certain programs in windows through Java. Some

I. Code Preview In the past two days, emails are sent to struts2. The previous project was useful to spring. It was very convenient to use the mail support class provided by spring to complete this function. However, if we only use struts2, we

In the previous article (Java mail Development (II): Using JMail to send an email with illustrated text and attachments (below), we learned to use JavaMail to send a complex email. There are two issues: 1. The attachment name can only be in English

What is Eclipse Eclipse is a platform that is used to build and integrate web and desktop applications. During design, the platform does not provide a large number of functions to end users. The Platform advocates integrated and rapid development

This article introduces the object-oriented encapsulation, abstraction, inheritance, and polymorphism features in Java. If you need them, please refer to them. Object-oriented has four main features: encapsulation, abstraction, inheritance, and

There are several common methods for reading and writing Java files, such as InputStream/OutputStream and BufferedReader, I will introduce their usage examples in detail below. There are several common methods to read and write files: 1. byte

Below we have summarized two methods of using php and asp to create a shortcut code for the website on the user's desktop. If you need to learn, please refer. The Code is as follows: Copy code Id = request ("id

In the process of using Spring, in order to avoid using a large number of Xml configuration files injected by Bean, we will use the automatic scan injection method provided by Spring, just add several lines of automatic injection configuration, you

Preface: Many professional trainers say they want to manage their time. However, I agree with Li xiaolai that time cannot be managed and will be transient. I think if God could manage his time well, then he would not have to create an Eve for Adam,

Import java. security. messageDigest; import java. security. noSuchAlgorithmException; import sun. misc. BASE64Encoder;/*** MD5 + Base64 encryption * @ author at fenghang */public class Md5Base64 {public static String encode (String s) {if (s = null)

See the "encapsulated set Encapsulate Collection" section in "refactoring comments version)". This refactoring method has different processing methods for different Java versions, so the annotator gave a prompt: The new Collections API in Java 2 is

1. Solid Foundation-core java top priority) 2. What should be learned in addition to JAVA: 2.1 HTML (Hyper Text Markup Language, Hypertext Markup Language ). HTML is interpreted and rendered in the browser. Therefore, whether it is Microsoft's

Let's take a look at the following code: Package com. ivantian. CoreFengZhuang;   // Call by values // Call by address Public class Difference {   Int x = 10; // member variable Public static void main (String [] args ){

When you begin to organize an enterprise-level Java project, it is like starting to repeat several magic balls at the same time: Owner Relationship processing, sustained and long design and development processes, and maintain perfection and

News: Bruno Borges, a member of the Oracle WebLogic Development Team, announced in his blog today that,WebLogic servers are now available for free.You can also try it for free before, but there is a time limit)However, there are still many

  ---- Abstract: before the emergence of Java, writing multi-threaded programs was cumbersome and accompanied by many insecure factors. Using Java to write secure and efficient multi-threaded programs becomes simple, and using multi-threaded and