The Tutorial Show in Easy Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK7 x86 for Linux CrunchBang 11 OpenBox 32bit 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 to Install the Java Web-Servers Tomcat 7 Java Server on Linux Debian.
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 more Easy & Digestive;)
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Download Latest Oracle Java SE JDK 7:
- Open File-Manager:
Right-Click on Desktop > File Manager
- Find and Click on the Jdk7 tar.gz Archive
Then Extract it Into the /tmp Folder.
- Open a Terminal Window:
Right-Click on Desktop > Terminal
- Relocate JDK 7
sudo su
mkdir /usr/lib/jvm
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 and Running with JDK 7:
Quick Getting-Started for Java Development
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