Java - jenv 설정

title: Work 1. Setup jenv
```bash
brew install jenv

title: Work 2. Add path
```bash
echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.zshrc
echo 'eval "$(jenv init -)"' >> ~/.zshrc

title: Work 3. Setup Jdk
```bash
brew install --cask adoptopenjdk/openjdk/adoptopenjdk11
ls /Library/Java/JavaVirtualMachines # Check list

title: Work 4. Add jenv
```bash
jenv add $(/usr/libexec/java_home -v1.11)

title: Work 5. Check version
```bash
jenv versions
* system (set by /Users/liam/.jenv/version)
  11.0
  11.0.11
  openjdk64-11.0.11

title: Work 6. Change global version
```bash
jenv global openjdk64-11.0.11
jenv versions
  system
  11.0
  11.0.11
* openjdk64-11.0.11 (set by /Users/liam/.jenv/version)

title: Work 7. Set local version
```bash
jenv local openjdk64-1.8.0.275 # 특정 프로젝트 / 디렉토리에서의 Java 버전 설정