how to install eclipse in ubuntu

1. uncompass
   $ sudo -s
   Password:
   # cd repertory containing your downloaded file
   # tar -zxvf eclipse-SDK-3.1RC3-linux-gtk.tar.gz
   # mv eclipse /opt/eclipse
   # chown -R root:root /opt/eclipse
   
   
   
2. make executed file /usr/bin/eclipse
   #!/bin/sh
   export MOZILLA_FIVE_HOME="/usr/lib/mozilla/"
   export ECLIPSE_HOME="/opt/eclipse"
   $ECLIPSE_HOME/eclipse $*
   
   
3. make it to executable
   # chmod +x /usr/bin/eclipse
   

or 시냅틱 패키지 관리자에서 등록 가능