How to Install Oracle Java JDK 7 on Debian 7 Wheezy Amd64 Lxde Linux Easy Visual-Guide

Install Oracle JDK 7 on Debian Wheezy 7 Linux

The Guide shows you Step-by-Step How to Install and Getting-Started with the Oracle-Sun Java JDK x64 on Debian Linux 7 Wheezy Lxde 64-bit Desktop.

Oracle JDK 7 is a superset of JRE 7 that Contains Tools such as the Compilers and Debuggers necessary for Developing Applets and Applications.

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 Java Web-Servers Tomcat 7 & JBoss 7 Servers on Debian Linux.

The Contents and Details of Oracle JDK 7 Installation Debian Wheezy 7 Linux are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand. ;)

1. Download Oracle-Sun Java SE JDK for Linux:

   Oracle JDK x64 tar.gz
   On the Java SE JDK Section Select the x64 tar.gz Linux Release

2. Find and Double-Click on the tar.gz Archive

   Extract it Into the /tmp Folder.

   

3. Open a Terminal Window
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

4. Relocate JDK 7

   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/

5. 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. :)

6. Getting-Started and Running with JDK 7:

   Quick Start Tutorial for JDK 7 Development

   Java Dev Quick Start