Install Oracle JDK 7 Elementary OS Linux
The Tutorial shows you in Easy Steps How to Install and Getting-Started with the Oracle-Sun Official Java JDK x64 for Linux Elementary OS i386/amd64 Pantheon Desktop.
After Installing you will need to Use the update-alternatives Command Tool to Update your System Java to Oracle Java 1.7 JDK.
To the Article Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install the Evernote Clone on Elementary OS Linux.
And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.
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Download Oracle-Sun Java SE JDK 7 for Linux:
Oracle JDK 7 i586/x64 tar.gz
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Open Terminal Window
(Press “Enter” to Execute Commands).
Ctrl+Alt+t
In case first see: Terminal QuickStart Guide.
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Double-Click on the Jdk7 tar.gz Archive.
Or from Shell:
tar xvzf ~/Downloads/jdk-7*.tar.gz -C /tmp/
Then Extract it Into the /tmp Folder.
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Relocate JDK 7
sudo su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi
The above command is used to create a jvm directory if not already there.
sudo chown -R root:root /tmp/jdk1.7*
Reiterate the Execution Permission over the Java binaries
chmod -R +x /tmp/jdk1.7*/bin
Finally, Shift the Java contents with
mv /tmp/jdk1.7* /usr/lib/jvm/
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Installing Oracle Java JDK 7
update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7*/bin/java 1065
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7*/bin/javac 1065
update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.7*/bin/jar 1065
update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7*/bin/javaws 1065
Checking or Setting the System Java Version in Use with
update-alternatives --config java
And for the Java Compiler instead:
sudo update-alternatives --config javac
To Switch of Java Version Just Enter the Reference Number on First, Column. :)
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Getting-Started and Running with JDK 7:
Quick Start for Java Development
How to Install Evernote on Linux Elementary OS
Installing Evernote for Elementary OS
