Step-by-step – Oracle JDK 7 Installation in Ubuntu 20.04 Guide

GNU/Linux Ubuntu 20.04 Installing Oracle JDK 7 – QuickStart Guide

Hi! The Tutorial shows you Step-by-Step How to Install Oracle-Sun Java SE JDK 7 in Ubuntu 20.04 Focal LTS GNU/Linux Desktop/Server.

And the Oracle Java JDK 7 for Ubuntu Focal includes Tools useful for developing and testing Programs written in the Java programming language and running on the Java platform.

Especially relevant: to SetUp Oracle JDK 7 on Ubuntu you will need to Use the update-alternatives Tool to Update your System Java to Oracle JDK 1.7.

Finally, the Guide includes detailed instructions to Getting Started with Oracle JDK 7 on Ubuntu 20.04.

1. 1. Launching Terminal

   First, Open a Terminal Shell emulator window
   Ctrl+Alt+t on Desktop
   (Press “Enter” to Execute Commands).

   
   In case first see: Terminal QuickStart Guide.