Step-by-step – Oracle JDK 7 Installation in Debian Bullseye

Getting Started

6. 6. Setting up JAVA_HOME

   Setting JAVA_HOME User Environment Variable (Optional).

   Edit the Bash environment Configuration file:

   nano $HOME/.bashrc

   Append:

   export JAVA_HOME=/usr/lib/jvm/jdk1.7[uX]

   Replace the [uX] Looking for the Installed Java 7 Version with:

   ls /usr/lib/jvm/

   Ctr+x to Save & Exit from nano Editor :)
   Next to Load the New Bash Environment:

   bash

7. 7. Testing Oracle JDK 7 Installation

   Finally, to Test Oracle JDK 7 Installation
   Simply play:

   java -version

8. 8. Oracle JDK 7 Getting-Started Guide

   Getting-Started with Java Development.

   Oracle Java Dev Getting-Started Guide

   How to Getting-Started Quickly with Java JDK Development

How to Install Eclipse Java IDE:
Eclipse Debian Installation Guide.

Netbeans IDE: NetBeans Debian Installation Guide.

IntelliJ IDEA: IntelliJ IDEA Debian Installation Guide.

Now Thanks to Oracle-Sun Corporation you are able to Successfully Start with Java JDK Use & Development.

Now Thanks to Oracle-Sun Corporation you are able to Successfully Start with Java JDK Use & Development.