Download the JDK
Select the right download. Under the
"Product/File Description" you should pick your corresponding Linux
option. For example, if you're running Linux x86 (32-bit), you need to choose
the corresponding “*.tar.gz” version.
Download the file as a .gz. Save it to your GNU/Linux
machine.
Switch to the directory where you saved the file. You do not need to be a
root and only must have the write access to the folder where you wish to
install Java. If your administrator is not supportive, you may need to place
Java into your home folder or (even better) on some shared network location
Decompress the file. For example, you could do
this in your home folder. Decompressing will create a folder called
“jdk1.7.0_09”. Java is now installed.
- The installed Java jre is rather independent and can be easily moved into another place just by copying all its files.
- You can install multiple different jre's this way: they coexist together and can be used if some software requires the older version to run.
Launch Java. The Java executable you
need to launch is located in a subfolder, called "bin." This way of
installation will not configure a default Java command for you — you must do
this manually or always include the full path in your startup script.
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