The Guide shows you Step-by-Step How to Install and Getting-Started with the Latest Eclipse 2022-03 R IDE for Java SE Development on openSUSE Linux 12.3 KDE4 x8664 Desktop.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

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Download Eclipse 2022-03 R IDE for Java:
Eclipse 2022-03 R IDE Java Linux -
Double-Click on Archive and Extract Eclipse into /tmp
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Open Terminal Window
(Press “Enter” to Execute Commands) -
Relocating Eclipse.
su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
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 from Terminal simply with:
eclipse
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Create an Eclipse Desktop Launcher for Easy-Starting:
How to Create KDE4 Menu Launcher -
Install Oracle Java SE JDK.
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