Java Example

1. https://code.visualstudio.com/docs/java/java-tutorial

2. From plugin get Java Extension Pack

3. command platter: java: overview

4. command platter: java: configure java Runtime

   • Download jdk from java overview
   • $ mkdir /usr/lib/jvm; cd /usr/lib/jvm
   • $ tar -xvzf /root/OpenJDK11U-jdk_x64_linux_hotspot_11.0.8_10.tar.gz

5. Java Path Set

$ update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk-11.0.8+10/bin/java" 0
$ update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk-11.0.8+10/bin/javac" 0
$ update-alternatives --set java "/usr/lib/jvm/jdk-11.0.8+10/bin/java"
$ update-alternatives --set javac "/usr/lib/jvm/jdk-11.0.8+10/bin/javac"

6. /etc/environment

PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin:/usr/lib/jvm/jdk-11.0.8+10/bin"
JAVA_HOME="/usr/lib/jvm/jdk-11.0.8+10"

7. Restart system
8. In command platter: java: configure java Runtime set java.home = /usr/lib/jvm/jdk-14.0.1
9. command platter: Java: Getting Started

http://maven.apache.org/guides/introduction/introduction-to-the-standard-directory-layout.html

• Core Java
• Maven
  • Java App (maven-archetype-quickstart)
  • servlet/jsp/JSTL (JSP Standard Tag Library) (maven-archetype-webapp)
  • mvc jsp (maven-archetype-mvc-1.0-blank)
  • Hibernet (WIP)
  • Spring (WIP)
  • CLI (WIP)
  • REST (WIP) (Spring)

• IOC, AOP, DAO, Context, ORM, WEB MVC, POJO