How to Switch Java Version Mac OS X 10.10 Yosemite Easy Guide

Mac OS X Switching Java Version on Shell

The Unix Tutorial shows you Step-by-Step How to Easy Switching on Terminal Bash Shell a Java Multi-Version Installation for macOS 10.10 Yosemite Unix/BSD.

The Tutorial Include also Links on How to Download and Install Oracle Official Java Development Kit 7/8 for macOS.

1. Open a Command Line Terminal Window
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. Edit the Bash Shell Config Environment.

   nano $HOME/.bashrc

   Copy & Paste inside this Function:

   /nalias java_ls='/usr/libexec/java_home -V 2>&1 | grep -E "\d.\d.\d[,_]" | cut -d , -f 1 | colrm 1 4 | grep -v Home'
   
   function java_use() {/nexport JAVA_HOME=$(/usr/libexec/java_home -v $1)/nexport PATH=$JAVA_HOME/bin:$PATH
   java -version
   }
   

   Ctrl+x to Save & Exit from nano Editor :)

3. Load the New Environment.

   bash

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4. Then to Easy Switch the Java Version.

   java_use 1.[x]

   Example:

   java_use 1.6