savage.home.automation

d.i.y. home automation projects

Top

Contributions

Recent Projects / Posts

Featured Articles

Feature Products

Raspberry Pi with Java: Programming the Internet of Things (IoT)
Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU
Premium Clear Case for Raspberry Pi 2 Model B Quad Core and Raspberry Pi Model B+ (B PLUS)
Edimax EW-7811Un 150 Mbps Wireless 11n Nano Size USB Adapter with EZmax Setup Wizard
Getting Started with Raspberry Pi
Raspberry Pi User Guide
PiBrella LED Add On Board
Diversitech® WS-1 - Wet Switch Flood Detector
Onsite Pro FS1NPTW Whole Home Wireless FloodStop with 1 Inch Valve
Floodstop Washing Machine Valve Shutoff Kit
Onsite Pro FS3/4H Washing Machine FloodStop with Straight Valves
Floodstop Individual Water Appliance Additional Water Sensor XS-01
Aqua Managers - FS 1 1/4-NPT - Floodstop for Water Heaters Water Leak Detection System - White - 1.25 in. pipe
Furman MP-20 Power Relay Accessory, 20 Amp, Two Outlets, Remote Turn-on from Momentary or Maintained Contact Switches
Furman MP-15 Power Relay Accessory, 15 Amp, Two Outlets, Remote Turn-on from Momentary or Maintained Contact Switches
Metra 70-2002 Radio Wiring Harness for Saturn 00-05
Metra Reverse Wiring Harness 71-2002 for Select 2000-2005 Saturn Vehicles OEM Radio

Entries in jre (9)

Saturday

Aug252012

Posted on

Saturday, August 25, 2012 at 7:33PM

Print Article |

Permalink

Raspberry Pi - Change Default Java Virtual Machine (JVM)

Robert Savage

You can install multiple Java virtual machines (JVM) on your Raspberry Pi and switch between them as needed. After installing the JVMs that you want, use the following command to select the default JVM/JRE.

sudo update-alternatives --config java

With the new JVM selected, you can test and verify that is is the new default by executing the java command using the version argument.

java -version

You should a response displaying the selected java version and VM:

* Raspberry Pi is a trademark of the Raspberry Pi foundation.
* Oracle and Java are registered trademarks of Oracle.