# Google Java Style Guide ## Google Java Style Guide ## 1 Introduction This document serves as the complete definition of Google’s coding standards for source code in the Java $ ^{™} $ Programming Programming Language. A Java source file is described as being in Google Style if and only if it adheres to the rules herein. Like other programming style guides, the issues covered span not only aesthetic issues case-sensitive name of the top-level class it contains (of which there is exactly one), plus the .java extension. ### 2.2 File encoding: UTF-8 Source files are encoded in UTF-8. ### 2.3 Special characters

files in the Java EE Server, Deployer and System According to environment, Administrator modify and deploy configuration files, then manage Java EE system. Varify the conformance from Structure of EAR files to Java Application Assembler EE standards. Component, JAR, WAR 一一A JavaEE EAR 验证EAR文件结构和是否符合 Java EE标准 Application Component 客户端组件、Applet组件、 客户端组件、Applet组件、 Provider Web组件、EJB Tool Provider Java EE Product Provider Sun NetBean, Eclipse Eclipse, Oracle JDevelpoer Sun GlassFish, Oracle BEA WebLogic, IBM WebSphere, JBOSS, Apache Tomcat

and upgrade the OS: sudò apt update sudo apt upgrade 2) ----- Installation of Java ----- OpenMeetings 6.1.0 need Java 11 to work. So we install OpenJava 11: sudo apt install openjdk-11-jdk openjdk-11-jdk-headless please, select OpenJava 11, if you have more than one java versions installed: sudo update-alternatives --config java To see the active java version: java -version 3) ----- Installation of LibreOffice ----- https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.25/mysql-connector-java-8.0.25.jar ...and copy it to where must be: sudo cp /opt/mysql-connector-java-8.0.25.jar /opt/open610/webapps/openmeetings/WEB-INF/lib

Containers ..... 7 4.3. Installing Spring Boot ..... 8 4.3.1. Installation Instructions for the Java Developer ..... 8 Maven Installation ..... 8 Gradle Installation ..... 9 4.3.2. Installing Information ..... 418 Git Commit Information ..... 419 Build Information ..... 420 Java Information ..... 420 OS Information ..... 420 Writing Custom InfoContributors ..... 420 589 Groovy Templates ..... 589 17.13.3. Fast Application Restarts ..... 589 17.13.4. Reload Java Classes without Restarting the Container ..... 589 17.14. Testing ..... 590 17.14.1. Testing With

Native Images ..... 8 4.3. Installing Spring Boot ..... 8 4.3.1. Installation Instructions for the Java Developer ..... 8 Maven Installation ..... 8 Gradle Installation ..... 9 4.3.2. Installing Further reading ..... 256 Examples ..... 256 7.14. SSL ..... 256 7.14.1. Configuring SSL With Java KeyStore Files ..... 256 7.14.2. Configuring SSL With PEM-encoded Certificates ..... 257 7.14 Information ..... 498 Git Commit Information ..... 499 Build Information ..... 500 Java Information ..... 500 OS Information ..... 500 Writing Custom InfoContributors ..... 500

separator|\\| |java.awt.graphicsenv|sun.awt.Win32GraphicsEnvironment| |java.awt.headless|true| |java.awt.printerjob|sun.awt.windows.WPrinterJob| |java.class.path|Downloads\\jenkins.war| |java.class.version|52 version|52.0| |java.endorsed.dirs|C:\\Program Files\\Java\\jre1.8.0\_131\\lib\\endorsed| |java.ext.dirs|C:\\Program Files\\Java\\jre1.8.0\_131\\lib\\ext;C:\\WINDOWS\\Sun\\Java\\lib\\ext| |java.home|C:\\Program home|C:\\Program Files\\Java\\jre1.8.0\_131| |java.io.tmpdir|C:\\Users\\MarkE\\AppData\\Local\\Temp\\| |java.library.path|C:\\ProgramData\\Oracle\\Java\\avapath;C:\\WINDOWS\\Sun\\Java\\bin;C:\\WINDOWS\\system32;C

we can look to values from other languages? ## C++/Rust Don't pay for what you don't use ## Java, Ruby, Smalltalk Everything is an object ## What are a Gopher's values? ## The Zen of PythonGo

Native Images ..... 8 4.3. Installing Spring Boot ..... 8 4.3.1. Installation Instructions for the Java Developer ..... 8 Maven Installation ..... 8 Gradle Installation ..... 9 4.3.2. Installing Custom Application Information 443 Git Commit Information ..... 444 Build Information ..... 445 Java Information ..... 445 OS Information ..... 445 Writing Custom InfoContributors ..... 445 13 FreeMarker Templates 633 Groovy Templates 633 18.15.3. Fast Application Restarts 633 18.15.4. Reload Java Classes without Restarting the Container 633 18.16. Testing 634 18.16.1. Testing With Spring Security

Requirements Servlet containers 10. Installing Spring Boot Installation instructions for the Java developer Maven installation Gradle installation Installing the Spring Boot transaction manager Using a Bitronix transaction manager Using a Narayana transaction manager Using a Java EE managed transaction manager Mixing XA and non-XA JMS connections Supporting an alternative embedded OpenShift Amazon Web Services (AWS) AWS Elastic Beanstalk Using the Tomcat platform Using the Java SE platform Best practices Uploading binaries instead of sources Reduce costs by setting the environment

containers ..... 11 10. Installing Spring Boot ..... 12 10.1. Installation instructions for the Java developer ..... 12 Maven installation ..... 12 Gradle installation ..... 13 10.2. Installing starter parent ..... 24 Using Spring Boot without the parent POM ..... 25 Changing the Java version ..... 26 Using the Spring Boot Maven plugin ..... 26 13.3. Gradle ..... 26 13.4 transaction manager ..... 129 35.3. Using a Narayana transaction manager ..... 130 35.4. Using a Java EE managed transaction manager ..... 130 35.5. Mixing XA and non-XA JMS connections ..... 130