The Tutorial shows you How to Install Eclipse 2023-03 R IDE JEE on Linux Lubuntu 12.04 Precise Pangolin Lxde i386 Desktop.
There is also the Possibility to Install before the Classic Eclipse via apt-get and after Adding the JEE Developer Tool Capabilities via Eclipse Updates.
Hence, here we Proceed Directly to Download and Installation of the Whole Eclipse for Java JEE Linux Release.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

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Download Latest Eclipse 2023-03 R IDE JEE for Linux:
Eclipse 2023-03 R IDE JEE 32-bit Linux -
Double-Clik on Archive and Extract Eclipse into /tmp
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Open Terminal Window
(Press “Enter” to Execute Commands) -
Relocating Eclipse.
sudo chown -R root:root /tmp/eclipse && mv /tmp/eclipse /opt/
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Starting Eclipse from Terminal.
Making a Symlink
ln -s /opt/eclipse/eclipse /usr/local/bin/eclipse
After you can Start Eclipse JEE from Terminal simply with:
eclipse
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Create an Eclipse Launcher for Quick Starting:
Lubuntu Menu How Launcher -
Recommended Oracle JDK Installation
Required to Get the Best Results from Eclipse.
Install Oracle JDK for Lubuntu