Install Oracle JDK 6 on CentOS 6.X 32/64-bit
Hi! The Tutorial shows you Step-by-Step How to Install and Getting-Started with the Oracle-Sun Official Java Development Kit 6 i586/x8664 for CentOS 6.x 32/64-bit KDE/Gnome Linux Desktop.
After Installing you will need to Use the update-alternatives Command Tool to Update your System Java to Oracle Java 1.6 JDK6.
To the Article Bottom there is a Link for Quick Start with Java JDK 6 Development and also How to Install the Java Web-Servers Tomcat7 for CentOS.
And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.
The Contents and Details of How to Download and Install Oracle JDK 6 on CentOS 6.X are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand. ;)
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Download Oracle Java SE JDK 6
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Open Terminal Window
(Press “Enter” to Execute Commands).
In case first see: Terminal QuickStart Guide.
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Unpack the jdk6.bin Archive
sudo su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
cd && cd Downloads
./jdk1.6*.bin
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Relocate JDK 6
mv ./jdk1.6.* /usr/lib/jvm/jdk1.6
And if Not jvm Dir then first do:
mkdir /usr/lib/jvm
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Installing Oracle Java JDK6
update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.6.*/bin/java 1065
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.6.*/bin/javac 1065
update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.6.*/bin/jar 1065
update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.6.*/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
How to Install Eclipse for Java Developers on CentOS