Session 1: General Info

• Introduction

Schedule: Tuesdays

• Group 1: 14:15 - 16:00
• Group 1: 16:15 - 18:00
• Delta Center, Room Nr. 2047

Development Environment

• Operating System/s:
  • Ubuntu, macOS
    • Download Ubuntu Desktop
    • Download and install Oracle VM VirtualBox
    • Install Ubuntu Desktop on VirtualBox to run alongside your current operating system, Windows or macOS.

Sometimes Ubuntu will be rendered in a tiny VirtualBox screen where changing resolution won't help. In order to make the screen bigger, follow the next steps.

• Start the Ubuntu VM on VirtualBox
• Click in Devices > Insert Guest Additions CD image...
• Click "Run" on the pop-up window and provide your password to authenticate
• A terminal window will appear and will copy and install some modules automatically
• Once the installation is done, you will be asked to "Press Enter" to close the window
• Restart the running Virtual Machine

Programming Languages

Java

• Verify the version of Java installed: java --version. If you don't get any result or any suggestions to install, then follow the below steps:

1. Update the package repository: sudo apt update
2. Install Java RE: sudo apt install default-jre
3. Install Default JDK (Java 11): sudo apt install default-jdk
   • If you have multiple version of Java installed on your system, you can decide which one is the default one.
     • First, run this sudo update-alternatives --config java command to show all the installed version of Java on your computer
     • The choices are represented by numbers, select the number that's mapped to Java 11

Install Python

Most factory versions of Ubuntu 18.04 or Ubuntu 20.04 come with Python pre-installed. Check your version of Python by entering the following:

• python --version

If the revision level is lower than 3.7.x, or if Python is not installed, continue to follow these instructions.

Package Managers

• SDK Manager (sdkman): curl -s "https://get.sdkman.io" | bash
• Snap: sudo apt install snapd
• pip: Official Installation Guide
• Spring Boot CLI: sdk install springboot
• Create Spring Boot Application - Gradle based project: spring init --build=gradle --dependencies=web demo
• Create Spring Boot Application - Maven based project: spring init --dependencies=web demo

Build Automation Tools:

• Gradle: sudo snap install gradle --classic
  • Upgrade Gradle:
    • Add this PPA repository: sudo add-apt-repository spa:cwchien/gradle
    • Download package information from all configured sources: sudo apt-get update
    • Upgrade Gradle: sudo apt upgrade gradle