How-to Install Custom Oracle Java JDK 7 on Linux Sabayon 10 Gnome3 32bit Desktop Easy Visual-Guide

The Tutorial Show How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK 7 i586 for Linux Sabayon 10 Gnome3 i386 Desktop.

The Process is a Little Beat Tedious and Complicated but it Simply Give you the Freedom to Know and to Choose Freely which JDK to Install.)

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;)

1. Download Oracle-Sun Java SE JDK 7:

   Sun JDK 7 i586.tar.gz

   On the Oracle-Sun Java SE JDK7 Section Select the i586.tar.gz Release.
2. Double-Click on the tar.gz Archive

   Extract it Into the /tmp Folder.

   
3. Open a Terminal Window
   
4. Relocate JDK 7

   su

   mv /tmp/jdk1.7.* /opt

5. Make a New Java JDK 7 Config File

   nano /usr/share/java-config-2/vm/oracle-sun-jdk7u<X>

   Substitute to the X the Concord Java Update Version.

   Insert something like Here Below and Just Substituting the JDK Paths and Version Only in the First Three lines

   VERSION="Oracle-Sun JDK 7u<X>"
   JAVA_HOME="/opt/<jdk1.7.0_0X>"
   JDK_HOME="/opt/<jdk1.7.0_0X>"
   JAVAC="${JAVA_HOME}/bin/javac"
   PATH="${JAVA_HOME}/bin:${JAVA_HOME}/jre/bin"
   ROOTPATH="${JAVA_HOME}/bin:${JAVA_HOME}/jre/bin"
   LDPATH="${JAVA_HOME}/jre/lib/amd64/:${JAVA_HOME}/jre/lib/amd64/native_threads/:${JAVA_HOME}/jre/lib/amd64/xawt/:${JAVA_HOME}/jre/lib/amd64/server/"
   MANPATH="/opt/icedtea-bin-7.2.2.1/man"
   PROVIDES_TYPE="JDK JRE"
   PROVIDES_VERSION="1.7"
   # Taken from sun.boot.class.path property
   BOOTCLASSPATH="${JAVA_HOME}/jre/lib/resources.jar:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/jre/lib/jsse.jar:${JAVA_HOME}/jre/lib/jce.jar:${JAVA_HOME}/jre/lib/charsets.jar"
   GENERATION="2"
   ENV_VARS="JAVA_HOME JDK_HOME JAVAC PATH ROOTPATH LDPATH MANPATH"
   VMHANDLE="icedtea-bin-7"
   BUILD_ONLY="FALSE"
   

   Ctrl+x to Save and Exit

6. Updating the System to Custom Oracle Sun JDK 7

   Make a Symlink

   ln -s /opt/jdk1.7.0_0X/ /usr/lib/jvm/oracle-sun-jdk7uX

   Find the New JDK 7 Installation

   java-config -L

   Switch System Java to the New Manually Installed JDK 7

   java-config --set-system-vm oracle-sun-jdk7uX

   Test JDK 7 Installation

   java -version

7. Getting-Started and Running with JDK 7:

   Quick-Start Tutorial for Java Development

   Contains the How-to Quick Getting-Started and Running with Java JDK 7 Development