Use Multiple JVM versions on Mac OS and Linux

Linux Download multiple Java versions and put them into /opt/ If you already have some JDK from ubuntu repo or etc not a big deal, just fix the paths bellow Register them as alternatives sudo update-alternatives –install /usr/bin/java java /opt/java-8-oracle/bin/java 1081sudo update-alternatives –install /usr/bin/java java /opt/sap-machine-jdk-11.0.3/bin/java 1080 Edit your ~/.bashrc file alias java11=’sudo update-alternatives –set java /opt/sapmachine-jdk-11.0.3/bin/java;export JAVA_HOME=/opt/sapmachine-jdk-11.0.3/’alias java8=’sudo update-alternatives –set java /opt/java-8-oracle/bin/java;export JAVA_HOME=/usr/lib/java-8-oracle/’ SAVE and start a new bash terminal execute java8 to use java8java11 to use java11 the latest version you have set stays as system wide, but the JAVA_HOME is not πŸ™ you can put java8 or java11 as a last line in the bashrc but since it is sudo it will always require password when start and is not great ;( Mac Install homebrew, since it rox ! Install Oracle Java 8 or OpenJDK 8. I recommend adoptopenjdk brew tap adoptopenjdk/openjdkbrew search adoptopenjdkbrew cask install adoptopenjdk8brew cask install adoptopenjdk11 On mac since it RULZ you have a java_home executable (that changes and fixes both your path and your JAVA_HOME) , so the .bashrc changes are easy ! Edit your ~/.bashrc file export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8)export JAVA_11_HOME=$(/usr/libexec/java_home -v11)alias java8=’export JAVA_HOME=$JAVA_8_HOME’alias java11=’export JAVA_HOME=$JAVA_11_HOME’java8 Note: the latest execution of java8 is to make it system wide by default SAVE and start a new bash terminal execute java8 to use java8 java11 to use java11 Windows Use a normal OS or suffer...

Use Multiple JVM versions on Mac OS and Linux

Linux Download multiple Java versions and put them into /opt/ If you already have some JDK from ubuntu repo or etc not a big deal, just fix the paths bellow Register them as alternatives sudo update-alternatives –install /usr/bin/java java /opt/java-8-oracle/bin/java 1081sudo update-alternatives –install /usr/bin/java java /opt/sap-machine-jdk-11.0.3/bin/java 1080 Edit your ~/.bashrc file alias java11=’sudo update-alternatives –set java /opt/sapmachine-jdk-11.0.3/bin/java;export JAVA_HOME=/opt/sapmachine-jdk-11.0.3/’alias java8=’sudo update-alternatives –set java /opt/java-8-oracle/bin/java;export JAVA_HOME=/usr/lib/java-8-oracle/’ SAVE and start a new bash terminal execute java8 to use java8java11 to use java11 the latest version you have set stays as system wide, but the JAVA_HOME is not πŸ™ you can put java8 or java11 as a last line in the bashrc but since it is sudo it will always require password when start and is not great ;( Mac Install homebrew, since it rox ! Install Oracle Java 8 or OpenJDK 8. I recommend adoptopenjdk brew tap adoptopenjdk/openjdkbrew search adoptopenjdkbrew cask install adoptopenjdk8brew cask install adoptopenjdk11 On mac since it RULZ you have a java_home executable (that changes and fixes both your path and your JAVA_HOME) , so the .bashrc changes are easy ! Edit your ~/.bashrc file export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8)export JAVA_11_HOME=$(/usr/libexec/java_home -v11)alias java8=’export JAVA_HOME=$JAVA_8_HOME’alias java11=’export JAVA_HOME=$JAVA_11_HOME’java8 Note: the latest execution of java8 is to make it system wide by default SAVE and start a new bash terminal execute java8 to use java8 java11 to use java11 Windows Use a normal OS or suffer...

What is jHipster at SoftUni Conf, March, 2015

This is a small 10min talk that I made about jHipster. JHipster is a yeoman generator that can create a spring boot/jpa application with angular and bootstrap for a minute. I am not fan of code generation but .. its something that may help us doing presentations or preparing an example. The talk is in Bulgarian...