The Tutorial Show Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 x86 for Linux Kubuntu 13.04 Raring Ringtail 32bit KDE4 Desktop.
After Installing you will need to Use the update-alternatives Command Tool to Update your System Java to Oracle Java 1.7 JDK7.
To the Post Bottom there is a Link for Quick Getting-Started with Java JDK 7 Development and also How-to Install the Java Web-Servers Tomcat7 for Linux Kubuntu.
To Make the Entire Process Easier to Visualize and Retain the Article Includes the Basic Screenshots of the Essentials Steps Involved.
The Content and Details are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tut Easier to Read & Digest ;)
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Download Latest Oracle Java SE JDK 7:
- Double-Click on the Archive and Extract into /tmp
- Open Terminal Window
- Relocate JDK 7
sudo su
if [ ! -d '/usr/lib/jvm' ]; then mkdir /usr/lib/jvm; fi && mv /tmp/jdk1.7* /usr/lib/jvm
- Update System Java to Oracle JDK7
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
To Switch of Java Version Just Enter the Reference Number on First Column. :)
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Getting-Started:
