The Tutorial shows you How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE C/C++ 32bit/64-bit for Debian Stretch 9/Unstable KDE4 i386/Amd64 Desktop.
There is the Possibility also to Install the Eclipse Platform via apt-get But the Debian 8 Jessie apt Repositories are still Back to Eclipse 3.8.
So at the Moment if you want Install the Latest Eclipse 2023-03 R Build on Debian Linux Stretch you will Need to Download and Install Eclipse 2023-03 R C/C++ Release for Linux.
Hence, here we Proceed Directly to Download and Installation of Eclipse for C/C++ Linux Release.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.
Finally, to the article Bottom you find a Link to Create a Launcher and Hello-World Application Quick Starting.
Download Eclipse C/C++ Oxygen R IDE:Eclipse 2023-03 R IDE C/C++ Debian