Ubuntu – Not recognize JDK after installation in ubuntu 12.10

jdk

I did these steps without error:

  1. JDK path : Downloads/jdk-6u37-linux-x64.bin

  2. Commands in Terminal :

           mkdir Programs
           cd Programs
           bash ../Downloads/jdk-6u37-linux-x64.bin
           ln -s jdk-6u37-linux-x64 jdk
    
  3. Set JAVA_HOME and Path:
    in Home ->View Menu ->Show Hidden Files.
    Then open .bashrc in text editor.
    I added the following lines to end of file.

    export JAVA_HOME=$Home/Programs/jdk
    export PATH=:$JAVA_HOME/bin:$PATH
    

This is the result of executing the command

echo $JAVA_HOME :
/Programs/jdk

This is the result of executing the command

echo $PATH :
:/Programs/jdk/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games1

And problem is :
This is the result of executing the command java -version :

The program 'java' can be found in the following packages:
 * default-jre
 * gcj-4.6-jre-headless
 * gcj-4.7-jre-headless
 * openjdk-7-jre-headless
 * openjdk-6-jre-headless
Try: sudo apt-get install 

Best Answer

export JAVA_HOME=$Home/Programs/jdk

You should use $HOME as $Home is undefined.

e.g.

export JAVA_HOME=$HOME/Programs/jdk
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