Gentoo Linux - Installing and configuring Java

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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]


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    • 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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