java ee 8 certification

project, right click on build path, Configure build path, and then:This is to control the Java files to be built into the correct directory.3. After the folder location has been modified. Run the Web project again.Then enter in the browser address bar: Http://localhost:8080/MyWeb/hello can access the website normally.**********************************************************************Solutions to some common problems1. Creating a new Web project wi

@ Page Language="Java"ContentType="text/html; Charset=utf-8"pageencoding="UTF-8"%> DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">HTML>Head>Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8">title>Insert Title heretitle>Head>Body>Stringa= ""; for (

= Org.apache.log4j.DailyRollingFileAppender Log4j.appender.d.file = ${ssh}web-inf/logs/debug.log log4j.appender.d.file.maxfilesize=500kb Log4j.appender.d.append = True # #输出DEBUG级别以上的日志 Log4j.appender.d.threshold = DEBUG Log4j.appender.d.layout = Org.apache.log4j.PatternLayout Log4j.appender.d.layout.conversionpattern =%-d{yyyy-mm-dd HH:mm:ss} [%t:%r]-[%p]%m%n Log4j.appender.d.encoding=utf-8 # # # Save exception information to a

directly at this point http://localhost:8080/TomcatTest , you will find that 404 error is reported. This is because we did not add the main page, below add the content of homepage (index.jsp):"Java" contenttype="Text/html; Charset=utf-8 "pageencoding="Utf-8"%>html>head>meta http-equiv= "Content-type" Content=title> Welcome page title>head>body> Welcome to deplo

: ${date} ${time} * ${tags} */@WebServlet ("/${primar Y_type_name} ") public class ${primary_type_name} extends HttpServlet {private static final long Serialversionuid = 1 L protected void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException { Request.setcharacterencoding ("UTF-8"); Response.setcharacterencoding ("UTF-8"); Respons

-generics must be consistent, or the following generics can be omitted without writing (1.7 new feature diamond-shaped generics) 7. Collection Framework (ArrayList store strings and custom objects and traverse the generic version) A: Case Demo ArrayList storing strings and traversing the generic version 8. Set FRAME (the origin of generics) A: Case Demo The origin of generics: the introduct

First select the menu File-new-maven project and tick the "Create a simple project (skip archetype selection)" Entry:Create a new MAVEN project, first configure the Web. XML (web-inf directory) file to find So for ADD.JSP file is the main page of the addition program, its code ispageencoding= "UTF-8"%>+(Note: The value of the name attribute in the input tag must be the same as the value in the new Java prog

);System.out.println(y);System.out.println(z);dis.close(); 14. Io Stream (Overview of the properties and use as a map collection) Overview of A:properties The Properties class represents a persistent set of attributes. Properties can be saved in a stream or loaded from a stream. Each key and its corresponding value in the property list is a string. B: Case Demo Properties as the use of the map collection 15. IO Stream (sp

* After clicking Submit, the Address bar has changed (? sex=on)* After adding the name attribute name= "username" on the normal text box, click Submit, the Address bar has changed (? username=hahasex=on)String str = "? Username=hahasex=on";* USERNAME=ZHANGSANAMP;PASSWORD=123AMP;SEX=NANAMP;LOVE=ZQ* type= "file" to select files* The Name property specifies* type= "hidden" hidden components* Name Specifies the value specified* type= "button" buttons* value= "text displayed"* and JS (JavaScript) Bin

use:Wsdl2java 　　　　 -Thed parameter, which specifies the code -generated catalog　　　　 -p parameter, specifies the new package structure that is generated. Examples of how to use:Wsdlwjava-d. -P com.kdyzm.ws.cxf.server http://localhost:9090/ws?wsdl　　　　Third, CXF integration springNow it's clear, what everything has to be integrated with sprig, hibernate can not be used, because there are many similar frameworks to use, such as the MYBATIS;STRUTS2 framework can not, but only this s

under the Meta-inf directory, create a new context.xmlGet the data source in the program, through jndi, this jndi must be available in the Servlet , and you need to configure Web. xml get the servlet to the data source as soon as it startsContext.xmlXML version= "1.0" encoding= "Utf-8"?>Context> Resourcename= "MySource"type= "Javax.sql.DataSource"username= "root"Password= "root"Driverclassname= "Com.mysql.jdbc.Driver"URL= "Jdbc:mysql:///

; paramname= "Trim">Trueparam> message>the user name cannot be empty! ]]>message> Field-validator> Field> Fieldname= "Password"> Field-validatortype= "Requiredstring"> message>The password cannot be empty]]>message> Field-validator> Field-validatortype= "Regex"> paramname= "Trim">Trueparam> paramname= "Regex">^[0-9a-za-z]{6,10}$]]>param> message>password is a combination of 6-10-bit letters and nu

Although the parameter map can be easily obtained by Request.getparametermap () in a Java Web project, the resulting map is not the same as the normal map, it is locked, and cannot be put, get, and so on as the normal map. This method will get the parameter map back as an operational normal map 1 /**2 * Get the parameter map from request and return a readable map3 * 4 * @paramRequest5 * @return6 */7@SuppressWarnings ("Unchecked")

frame: jQuery1.9.CSS Framework: Bootstrap 4 MetronicClient authentication: Jqueryvalidation Plugin.Rich Text: CkecitorFile Management: CkfinderDynamic tab: JerichotabData table: Jqgriddialog box: JQuery jboxTree structure controls: JQuery ZtreeOther components: Bootstrap 4 metronic3. SupportServer middleware: Tomcat 6, 7, Jboss 7, WebLogic 10, WebSphere 8Database support: Currently only support MySQL database, but not limited to the database, the next version of the upgrade multi-data source sw