The Tutorial shows you How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE Java JEE 32-bit for Linux Gentoo 12.1 KDE4 x86 Desktop.
There is the Possibility also to Install the Eclipse Platform via apt-get But the Gentoo Repositories from Wich Sabayon 10 Depends are still Back to Eclipse 3.7 Indigo.
So at the Moment if you want Install the Latest Eclipse 2023-03 R Build on Linux Sabayon 10 you will Need to Download and Install Eclipse 2023-03 R JEE 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 JEE for Linux:Eclipse 2023-03 R IDE JEE Linux 32bit