Install Java on Mac (manual process and using brew) system easily and quickly

Installing Java on Mac

Installing Java on Mac. - Manual Installation

At the end of this post you would have installed Java successfully on your mac machines.

1. Download latest JDK from Oracle Website.
2. This will download a .dmg file to your downloads direcotry.
3. Locate this jdk-xx_osx-x64_bin.dmg and double click on it and follow the instructions on it.

4. Verify if Java is installed (I’m using Java 8 for purpose of this blog

   Pavans-MacBook-Pro:~ pavanpkulkarni$ which java
   /usr/bin/java
   

5. This will install jdk in path /Library/Java/JavaVirtualMachines

   Pavans-MacBook-Pro:~ pavanpkulkarni$ ls -l /Library/Java/JavaVirtualMachines
   total 0
   drwxr-xr-x  3 root  wheel  96 Dec  1 21:35 jdk1.8.0_152.jdk
   

6. Add JAVA_HOME to ~/.bash_profile file

   export JAVA_HOME=$(/usr/libexec/java_home)
   export PATH=$PATH:$JAVA_HOME
   

7. Verify if the path that you just added works properly.

   Pavans-MacBook-Pro:~ pavanpkulkarni$ java -version
   java version "1.8.0_152"
   Java(TM) SE Runtime Environment (build 1.8.0_152-b16)
   Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode)
   

Installing Java on Mac - using brew

Installing Java on Mac using brew is a simple process. You need to have brew installed on your system as a pre-requisite. You can install brew from here

1. Open terminal.

2. Run the following commands

   Pavans-MacBook-Pro:~ pavanpkulkarni$ brew update
   Pavans-MacBook-Pro:~ pavanpkulkarni$ brew tap caskroom/cask
   Pavans-MacBook-Pro:~ pavanpkulkarni$ brew install Caskroom/cask/java
   

3. This will install the latest version of jdk in /Library/Java/JavaVirtualMachines

4. Verify installation by running

   Pavans-MacBook-Pro:~ pavanpkulkarni$ java -version
   java version "1.8.0_152"
   Java(TM) SE Runtime Environment (build 1.8.0_152-b16)
   Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode)
   

Reference:

1. https://en.wikipedia.org/wiki/Java_(programming_language)
2. https://java.com/en/download/help/mac_install.xml
3. https://brew.sh/