Archives For November 30, 1999

Install Java Ubuntu 14.10

This quick tutorial shows you how to easily install Oracle Java JDK 6, JDK 7 and/or JDK 8 (includes JRE) in Ubuntu 14.10 Utopic via PPA.

Thanks to Webupd8 Team for providing the installer scripts in PPA that automatically downloads Oracle Java package from its official site and installs it on your system.

1. To add the PPA, press Ctrl+Alt+T on keyboard to open the terminal. When it opens, paste the command below and hit enter.

sudo add-apt-repository ppa:webupd8team/java

Type in your user password when prompts. Note that there’s no visual feed back when typing your password.

2. After added the PPA, run commands below one by one to install Java (you may replace number 8 in the code with 6 or 7):

sudo apt-get update

sudo apt-get install oracle-java8-installer

Install Java in Ubuntu

If you have two or more Java versions installed on your system, run command below to set Oracle Java to default (you may replace number 8 with 6 or 7):

sudo apt-get install oracle-java8-set-default

Finally, check out java version via:

java -version

You’ll see something like this:

java version “1.8.0_20”
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

Oracle Java Ubuntu 14.04

This simple tutorial is going to show you how to easily install Oracle Java (JDK) 6, 7, or 8 in Ubuntu 14.04 Trusty Tahr via PPA.

There’s a Launchpad PPA (Personal Package Archive) maintained by webupd8.org, a popular Ubuntu Linux blog, which provides the most recent installers to automatically download and install Oracle Java JDK6 / JDK7 / JDK8 from oracle website. Note there are no actual Java files in this PPA.

To get started:

Press Ctrl+Alt+T on your keyboard to open a terminal window. When it opens, copy and paste the command below and hit enter. Input your user password when prompts and it will add the PPA repository into your system.

sudo add-apt-repository ppa:webupd8team/java

After that, update package lists via:

sudo apt-get update

To install Oracle Java 8, run:

sudo apt-get install oracle-java8-installer

Change the number 8 to 6 (or 7) in the code to install Java 6 (or 7).

While installation, you’ll be asked to agree the license and then the installer start downloading Java file from oracle website and install it on your system.

To set the default Java, run:

sudo apt-get install oracle-java8-set-default

Also change number 8 to the Java version you want.

Finally check whether everyting is OK:

java -version

It will output something like below:

java version “1.7.0_60”
Java(TM) SE Runtime Environment (build 1.7.0_60-b19)
Java HotSpot(TM) 64-Bit Server VM (build 24.60-b09, mixed mode)