The Guide shows you Step-by-Step How to Install and Getting-Started with the Latest Eclipse 2023-03 R2/64-bit for Java SE Development on Linux Xubuntu 12.04 Precise Pangolin Xfce i386/Amd64 Desktop.
There is the Possibility also to Install the Eclipse Platform via apt-get But the Ubuntu 12.04 Precise apt Repositories are still Back to Eclipse 3.7 Indigo Flavor.
So must have the Latest Eclipse IDE Platform on Xubuntu we Proceed to Direct Download and Installation of the Eclipse 2023-03 R IDE for Java SE Development Linux Release.
The Contents and Details are Essentials and Give Focus only to Instructions and Commands.

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Download Latest Eclipse for Java Linux:
Eclipse 2023-03 R IDE Java Linux