Setting up Dev Env on Mac

Installed Tools / Software
Xcode
Homebrew
git
iTerm2
zsh, Oh My Zsh
Powerlevel10K
SDKMan
Maven

Fire up the Terminal and get started:

1. Install Xcode

sudo xcode-select --install

2. Install Homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

3. Configure Homebrew

Once Homebrew installation is complete a Next steps: message is displayed the first of which is Add Homebrew to your PATH, copy and execute YOUR version of message.

echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> /Users/ockert/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"

4. Verify Homebrew

brew doctor

5. Install Git

brew install git

6. Install iTerm2

Home: https://iterm2.com/index.html

brew install iterm2

7. Launch iTerm2

Use iTerm for terminal commands from this step onward.

8. Check Zsh version

zsh --version

9. Install Oh My Zsh

Home: https://github.com/ohmyzsh/ohmyzsh

sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

10. Restart iTerm2

11. Install Powerlevel10K Zsh theme

Home: https://github.com/romkatv/powerlevel10k

git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k

12. Set Powerlevel10K theme

nano ~/.zshrc

Find and set:

ZSH_THEME="powerlevel10k/powerlevel10k"

13. Restart iTerm2 > Starts up in Powerlevel10K configuration wizard

Select / Set the following options:

• Install Meslo Nerd Font? Yes
• Restart iTerm2: ⌘ Q
• Answer diamond question.
• Answer lock question.
• Answer logo question.
• Answer overlap question.
• Prompt Style: (3) Rainbow
• Character Set: (1) Unicode.
• Show current time? (2) 24-hour format.
• Prompt Separators: (1) Angled.
• Prompt Heads: (1) Sharp.
• Prompt Tails: (1) Flat.
• Prompt Height: (2) Two lines.
• Prompt Connection: (2) Dotted.
• Prompt Frame: (3) Right.
• Connection & Frame Color: (2) Light.
• Prompt Spacing: (2) Sparse.
• Icons: (2) Many icons.
• Prompt Flow: (1) Concise.
• Enable Transient Prompt? (n) No.
• Instant Prompt Mode: (1) Verbose
• Apply changes to ~/.zshrc? (y) Yes.

To run it again:

p10k configure 

VSCode Font Setup

"terminal.integrated.fontFamily": "MesloLGS NF",
"terminal.integrated.defaultProfile.osx": "zsh",

14. Install SDKMAN

Home: https://sdkman.io/

Usage: https://sdkman.io/usage

curl -s "https://get.sdkman.io" | bash

Open a new terminal and check installation with:

sdk help

sdk install java 8.0.332-zulu
sdk install maven 3.9.9   

For the default current versions run:

sdk install java
sdk install maven  

15. Restart iTerm2

16. Setting JDK and Maven for a project

1. In the project root run:

sdk env init

2. Edit the new .sdkmanrc file:

# Enable auto-env through the sdkman_auto_env config
# Add key=value pairs of SDKs to use below
java=8.0.332-zulu
maven=3.9.9

3. Switch to the new environment:

sdk env

4. New check the version is as configured with:

java -version
mvn -v

Both Java and Maven versions should match the selected versions and Maven should be using the selected Java version. (This did not detect directly after Maven install but corrected itself while being investigated). Check all paths using:

env