java practice projects

Step 1: Download ant package from official website, address http://ant.apache.org/Step 2: Unzip, go to configure user custom environment variable "or system environment variable"Step 3: Verify that your environment is configured correctlyStep 4: Write a simple build file to run to see if it is successfulCreate the above file file, save as Hello.xml, I saved it in the installation directoryRun the Ant-file path \ file, and the following prompt indicates success.Automatic construction and deployme

the remote script to start the Tomcat service. The above SCP command transfer file without password, you must configure the SSH key pair, configured as follows:This assumes that host a (192.168.100.3) is used to obtain a file for Host B (192.168.100.4).Execute the following command on host A to generate the pairing key: ssh-keygen-t RSAWhen prompted to enter the default, the public key is stored in the user directory. The SSH directory, such as root, is stored in:/root/.ssh/id_rsa.pubCopy the I

The Spring boot project that was developed using idea is packaged locally, but it is not possible to read the variables in the configuration file with the Jenkins package run prompt, and open the jar package discovery without a configuration file. The workaround is to add the following configuration to the Pom　　Jenkins loses configuration files when packaging Java projects (Resource)

1. Login JekinsPrerequisite: Jekins has been deployed and can log inVersion: Jenkins2.60.2Http://IP: Port/jenkins/view/all/newjob2. Create a new Build taskSelect the type of project, select "Build a multi-configuration item" and enter the custom project name, click OKCode Management Choose Git (need to click Add to add a viable account password)Note: If you do not involve code operations, such as only shell script execution, you can skip this stepChoose a Build cycle (choose manual build here)Se

Http://www.blogjava.net/amigoxie/archive/2007/11/09/159413.html Original address: http://tech.it168.com/j/2007-11-09/200711091344781.shtml Ant is a Cross-platform component tool under the Apache Foundation, which enables the automatic construction and deployment of projects. In this article, the reader is primarily familiar with how to apply ant to a Java project to simplify build and deploy operations.

The way I do it now:1. When configuring Tomcat in Eclipse, choose Create context file instead of Server.xml, the benefit is that the file can be arbitrarily named, consistent with the virtual directory (that is, the attribute path in XML). When Tomcat loads a project, it scans all the XML files in the Conf\catalina\localhost directory and then loads them according to the configuration.The XML file in the Conf\catalina\localhost directory. In general, a project corresponds to an XML file, and if

Maven installation directory and the local repositoryFill in the project name, directory, and module name, etc. click FinishCreate a good project directory structureRecources folder: Typically used to store some resource filesWebApp folder: Used to store Web configuration files and JSP pages, etc.Note: The target directory is not generated until MAVEN is packaged, and is not available at first.V. Create a Java directoryClick Project StructureSelect m

In general, Java projects are eventually released in the form of jar or warWar is the Web project, the jar is the common Java project, can be launched directly, without any containerFixed directory structure for general comparisons:Project Name DemoDemo/bin here is usually the start and stop script start.sh stop.shdemo/conf System Configuration FileDemo/base War

code folder.Adds an externally dependent jar package to the module.The addition of Tomcat dependency is to satisfy servlet and jsp rely on Tomcat as a servlet container for enhanced servlet jsp API.Adding a project requires a jar package dependency.Set the artifact. If there is no default, add, fill in the relevant name, select the relevant type;Basic setup completed;4. Set TomcatAdd Tomcat, modify name. Add artifactsModify the relevant port number, may be used, need to modify;Tomcat configurat

Internet general operating technology: Webservice,jquery, traffic, cache, data security, Java background is more, but, like this large-scale Internet project, the basic framework has, you need to do is familiar with the business, familiar with their company's framework, With the support of basic business and technical framework, the following is to subdivide your specific work, if it is common developers, understand the next WebService interface, jque

Converting a Java project into a clear UML class diagram makes it easier for us to understand the project structure and dependencies between modules. This article describes six open-source tools that can reverse engineer Java projects to UML class diagrams. 1.Eclipse MDT Model Development Tool (MDT) provides some exemplary tools and development models based on th

The previous article described the Java program being packaged as an RPM installation package by using the. spec file with the Rpmbuild command on Linux.New requirements are encountered at this stage:Use makefile to manipulate Java compilation, packagingThis requirement is based on the previous contentYou can review the following articles to resolve the above requirementsRecommendation: Start with a small c

General programming is mostly used to store configuration information. for JDBC, you can write the database connection string to xml. to modify the data source, you only need to modify the xml. you do not need to re-compile the java file, these configuration information is put together. When someone else reads the code you write, it makes it easier for many java project