all commands

elichai@elichai:~$ sudo apt-get java-package
E: Invalid operation java-package
elichai@elichai:~$ sudo apt-get install java-package
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 java-package : Depends: debhelper but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
elichai@elichai:~$ sudo apt-cache policy java-package
java-package:
  Installed: (none)
  Candidate: 0.50+nmu2
  Version table:
     0.50+nmu2 0
        500 http://http.debian.net/debian/ wheezy/contrib i386 Packages
elichai@elichai:~$ sudo apt-cache policy
Package files:
 100 /var/lib/dpkg/status
     release a=now
 500 http://ftp.debian.org/debian/ wheezy-backports/main Translation-en
 100 http://ftp.debian.org/debian/ wheezy-backports/main i386 Packages
     release v=,o=Debian Backports,a=wheezy-backports,n=wheezy-backports,l=Debian Backports,c=main
     origin ftp.debian.org
 500 http://security.debian.org/ wheezy/updates/non-free Translation-en
 500 http://security.debian.org/ wheezy/updates/main Translation-en
 500 http://security.debian.org/ wheezy/updates/contrib Translation-en
 500 http://security.debian.org/ wheezy/updates/non-free i386 Packages
     release v=7.0,o=Debian,a=stable,n=wheezy,l=Debian-Security,c=non-free
     origin security.debian.org
 500 http://security.debian.org/ wheezy/updates/contrib i386 Packages
     release v=7.0,o=Debian,a=stable,n=wheezy,l=Debian-Security,c=contrib
     origin security.debian.org
 500 http://security.debian.org/ wheezy/updates/main i386 Packages
     release v=7.0,o=Debian,a=stable,n=wheezy,l=Debian-Security,c=main
     origin security.debian.org
 500 http://http.debian.net/debian/ wheezy-updates/non-free Translation-en
 500 http://http.debian.net/debian/ wheezy-updates/main Translation-en
 500 http://http.debian.net/debian/ wheezy-updates/contrib Translation-en
 500 http://http.debian.net/debian/ wheezy-updates/non-free i386 Packages
     release o=Debian,a=stable-updates,n=wheezy-updates,l=Debian,c=non-free
     origin http.debian.net
 500 http://http.debian.net/debian/ wheezy-updates/contrib i386 Packages
     release o=Debian,a=stable-updates,n=wheezy-updates,l=Debian,c=contrib
     origin http.debian.net
 500 http://http.debian.net/debian/ wheezy-updates/main i386 Packages
     release o=Debian,a=stable-updates,n=wheezy-updates,l=Debian,c=main
     origin http.debian.net
 500 http://http.debian.net/debian/ wheezy/non-free Translation-en
 500 http://http.debian.net/debian/ wheezy/main Translation-en
 500 http://http.debian.net/debian/ wheezy/contrib Translation-en
 500 http://http.debian.net/debian/ wheezy/non-free i386 Packages
     release v=7.4,o=Debian,a=stable,n=wheezy,l=Debian,c=non-free
     origin http.debian.net
 500 http://http.debian.net/debian/ wheezy/contrib i386 Packages
     release v=7.4,o=Debian,a=stable,n=wheezy,l=Debian,c=contrib
     origin http.debian.net
 500 http://http.debian.net/debian/ wheezy/main i386 Packages
     release v=7.4,o=Debian,a=stable,n=wheezy,l=Debian,c=main
     origin http.debian.net
Pinned packages:
elichai@elichai:~$