root@gaf1\:/usr/lib/j2re1.5-sun#update-alternatives --config java

There are 7 alternatives which provide `java'.

  Selection    Alternative
-----------------------------------------------
*     1        /usr/lib/j2re1.5-sun/bin/java
      2        /usr/bin/java-sablevm
      3        /etc/alternatives/kaffe-system/bin/java
      4        /usr/bin/jamvm
      5        /usr/bin/gij-wrapper-4.0
      6        /usr/bin/gij-wrapper-4.1
 +    7        /usr/lib/jvm/java-gcj/jre/bin/java

Press enter to keep the default[*], or type selection number: