[macOS, 맥OS] jEnv로 자바 환경 세팅

jEnv로 자바 환경 세팅

Java 설치

> brew search jdk

==> Formulae
openjdk ✔                                                              openjdk@11 ✔
==> Casks
adoptopenjdk                       adoptopenjdk12-openj9              adoptopenjdk14                     adoptopenjdk8-openj9-jre
adoptopenjdk10                     adoptopenjdk12-openj9-jre          adoptopenjdk14-jre                 adoptopenjdk8-openj9-jre-large
adoptopenjdk11                     adoptopenjdk12-openj9-jre-large    adoptopenjdk14-openj9              adoptopenjdk8-openj9-large
adoptopenjdk11-jre                 adoptopenjdk12-openj9-large        adoptopenjdk14-openj9-jre          adoptopenjdk9
adoptopenjdk11-openj9              adoptopenjdk13 ✔                   adoptopenjdk14-openj9-jre-large    jdk-mission-control
adoptopenjdk11-openj9-jre          adoptopenjdk13-jre                 adoptopenjdk14-openj9-large        oracle-jdk
adoptopenjdk11-openj9-jre-large    adoptopenjdk13-openj9              adoptopenjdk8 ✔                    oracle-jdk-javadoc
adoptopenjdk11-openj9-large        adoptopenjdk13-openj9-jre          adoptopenjdk8 ✔                    sapmachine-jdk
adoptopenjdk12                     adoptopenjdk13-openj9-jre-large    adoptopenjdk8-jre
adoptopenjdk12-jre                 adoptopenjdk13-openj9-large        adoptopenjdk8-openj9

> brew install openjdk
> brew cask install adoptopenjdk8

jEnv 설치

> brew install jenv

> echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.zshrc
> echo 'eval "$(jenv init -)"' >> ~/.zshrc
> source ~/.zshrc

JDK jEnv 설정

# adoptopenjdk 8
> jenv add /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home

# openjdk (13)
> jenv add /usr/local/opt/openjdk

# 확인
> jenv versions
system
openjdk64-1.8.0.242
openjdk64-13.0.2

글로벌 Java 버전 설정

$ jenv global openjdk64-13.0.2

로컬 Java 버전 설정 (디렉토리별)

$ jenv local openjdk64-1.8.0.242

쉘 Java 버전 설정

$ jenv shell openjdk64-13.0.2