          Could not find the main class. Program will exit.</a>)</p>
    

    
    <h3>Error: Java is not recognized as an internal or external command (Windows)</h3>
    <p>If you experience this when entering <code>java -jar Chatty.jar</code>
    in the commandline, then it probably can't find Java because it's not in the
    <code>PATH</code> environment variable (that defines where to look
    for programs of which only the filename has been entered, not the whole path).</p>
    <p>You can enter <code>