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Gentoo Linux - Installing and configuring Java

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Installing JDK
Configuring the JVM

The Gentoo Linux distribution offers a range of JRE and JDK environments. To install them simply procede as follows:

Installing JDK

To start the installation you must run the command:
- ```
# emerge virtual/jdk
```
or
- ```
# emerge virtual/jre
```

Note that: The installation of the JDK also includes the installation of the JRE.

Configuring the JVM

Use the command
- ```
# java-config --list-available-vms  
```
The following VMs are available for generation-2:
- 1) Sun JDK 1.5.0.17 [sun-jdk-1.5]
) Sun JDK 1.6.0.07 [sun-jdk-1.6]

</li></ul>

- L'(*) indicates the virtual machine in use.
- To change the virtual machine system must choose among the list of existing ones:
- ```
# java-config --set-system-vm sun-jdk-1.6
```

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