title: java path is not set when add path field in environment variables
body: <p>I am new to java programming language. First i download the sdk and install it in to my pc.
  Then i add a new environment variable like this</p>
  
  <pre><code>  path C:\Program Files\Java\jdk1.6.0_29\bin 
  </code></pre>
  
  <p>After creating this i entered javac in my cmd prompt. But i didn't get any thing. </p>
  
  <pre><code>'javac' is not recognized as an internal or external command.
   operable program or batch file. 
  </code></pre>
  
  <p>i am look in to some tutorials they said this way for setting path. if any one know about this please help me.</p>