The Tututorial shows you Step-by-Step How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE for Java JEE Programming Development on Pear Linux 5 GNOME3 i386/amd64 Desktop.
There is the Possibility also to Install the Eclipse Platform via apt-get But the Pear-Linux 5 Depends from Ubuntu Precise apt Repositories that are still Back to Eclipse 3.8.
So at the Moment if you want Install the Latest Release of Eclipse 2023-03 R Build on Pear Linux 5 you will Need to Download and Install Eclipse 2023-03 R Release for Linux.
The contents give Focus only to the Essential Instructions and Commands so to make the Tut easier to understand ;)
Download Latest Eclipse 2023-03 R IDE 4.3:Eclipse 2023-03 R JEE Linux