How to Install Oracle Java 8 or 7 in Ubuntu

Tags

oracle java ubuntu install

In some situations you need to run applications developed in Oracle Java over Ubuntu.
If you try to do this with recommended open souce flavors like openjdk-8-jdk and/or openjdk-8-jre sometimes rise up errors or malfunctions.

You can correct this situations by installing original Oracle Java Version 7 or 8 doing this procedure in a terminal:

To install Oracle Java version 8, type:

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

To install Oracle Java version 7, type:

sudo apt-get install oracle-Java7-installer

Check your system with this command:

java -version

Or:

javac -version

To switch between Java Oracle 8 and Oracle Java 7

Changes to Java 7 (from Java 8):

sudo update-java-alternatives -s java-7-oracle

Changes to Java 8 (from Java 7):

sudo update-java-alternatives -s java-8-oracle

Jorge Fernandes is Bachelor in Computer Science experienced in telecommunications, security, banking and programmer since 1984. He works in Valhala Networks focused on high-level decisions about scientific and technological policies and strategies of projects oriented to develop web and standalone applications, as well as smart solutions at mobiles. He always oriented to produce innovator products.