title: Java Runtime.getRuntime().exec() disable network on win 7
body: <p>how i can enable/disable network with java program <code>.jar</code></p>
  
  <p>how i can use :</p>
  
  <pre><code>Runtime.getRuntime().exec() 
  </code></pre>
  
  <p>is this can do </p>
  
  <pre><code>Process result = Runtime.getRuntime().exec("ipconfig/release");
  </code></pre>
  
  <p>thank you</p>