Launch WIndows 8 touch keyboard from java

virtualKeyboard.java

ProcessBuilder builder = new ProcessBuilder("cmd.exe", "/c", "\"C:\\Program Files\\Common Files\\microsoft shared\\ink\\TabTip.exe");
builder.redirectErrorStream(true);
Process p;
try
{
    p = builder.start();
    BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line;
    while (true)
    {
        line = r.readLine();
        if (line == null)
        {
            break;
        }
        System.out.println(line);
    }
}
catch (IOException e)
{
    // TODO Auto-generated catch block
    e.printStackTrace();
}