title: how to fix Javac invalid flag error?
body: <p>I am trying to compile a an STK applet. </p>
  
  <p>Firstly, I would like to compile the <code>.java</code> class by using <code>javac</code>. I am getting an error (invalid flag); this is my command:</p>
  
  <pre><code>C:\Program Files (x86)\Java\jdk1.8.0_20\bin&gt;javac C:\Users\user\Desktop\ImsiManager Applet\2014-07-34_ImsiManager_src\2014-07-34_ImsiManager_src\ImsiManager\src\main\java\com\simulity\javacard\imsimanager\ImsiManager.java
  Javac: invalid flag: C:\Users\user\Desktop\ImsiManager
  Usage: javac &lt;options&gt; &lt;source files&gt;
  use -help for a list of possible options
  </code></pre>