Ubuntu 13.04 + Java Installation

Ubuntu 13.04 + Java Installation

1. Download JDK 7
   http://download.oracle.com/otn-pub/java/jdk/7u40-b43/jdk-7u40-linux-x64.tar.gz
    
2. Install JDK
   rpm -ivh jdk-7u40-linux-x64.rpm
   rpm: RPM should not be used directly install RPM packages, use Alien instead!
   rpm: However assuming you know what you are doing...
   error: Failed dependencies:
       /bin/basename is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/cat is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/cp is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/gawk is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/grep is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/ln is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/ls is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/mkdir is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/mv is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/pwd is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/rm is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/sed is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/sort is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/touch is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/cut is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/dirname is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/expr is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/find is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/tail is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/tr is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /usr/bin/wc is needed by jdk-2000:1.7.0_40-fcs.x86_64
       /bin/sh is needed by jdk-2000:1.7.0_40-fcs.x86_64
   ----------------------------------------------------------------------------------------------
3. if you will get above mention error, please follow below mention instructions.
   
   root@vjain-Parallels-Virtual-Platform:/home/vjain/Downloads# sudo add-apt-repository ppa:dlecan/openjdk
   You are about to add the following PPA to your system:
    tag:launchpad.net:2008:redacted
    More info: https://launchpad.net/~dlecan/+archive/openjdk
   Press [ENTER] to continue or ctrl-c to cancel adding it
   
   gpg: keyring `/tmp/tmp2fe39r/secring.gpg' created
   gpg: keyring `/tmp/tmp2fe39r/pubring.gpg' created
   gpg: "tag:launchpad.net:2008:redacted" not a key ID: skipping
   root@vjain-Parallels-Virtual-Platform:/home/vjain/Downloads#
4. Please update all.
   sudo apt-get update
    
5. Now get JDK by below mention instructions
   sudo apt-get install openjdk-7-jdk
    
6. Validate your installation
   root@vjain-Parallels-Virtual-Platform:/home/vjain/Downloads# java -version
   java version "1.7.0_25"
   OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.13.04.2)
   OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)
7. Enjoy !!!!!!!!!!!!!!!!!!!!!!!!!!!!!