Ubuntu Documentation > Ubuntu 8.04 LTS > Programming > Java

Java

[Note]

These instructions are for i386 and AMD64 computers only. For PowerPC machines, see Ubuntu Help Online.

  1. Install sun-java5-jdk from the “Multiverse” repository (see Add Applications). You will need to use Synaptic Package Manager to install these packages.

  2. Read the Java license presented. You must accept it to continue.

  3. To get your system to use Sun Java instead of the open-source (but less functional) GIJ that is installed by default, run:

    sudo update-alternatives --config java

    and choose the option that has j2re1.5-sun in it.

Java 1.6 is also available, and can be installed by following the above directions, swapping all instances of 1.5 to 1.6

Eclipse IDE for Java

The Eclipse platform provides a complete, extensible Java development environment.

  1. Install the eclipse package from the “Universe” repository (see Add Applications).

  2. Press Applications → Programming → Eclipse IDE to start using Eclipse.

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