Originally posted on 2020-05-20
Cool trick from StackOverflow (original answer):
alias j14="export JAVA_HOME=$(/usr/libexec/java_home -v 14); java -version"
alias j11="export JAVA_HOME=$(/usr/libexec/java_home -v 11); java -version"
alias j8="export JAVA_HOME=$(/usr/libexec/java_home -v 1.8); java -version"