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copied!<p><strong>UPDATE</strong>:<br> Based on your feedback, it seems you are trying to achieve the following:<br> Use the code of an existing Applet (<strong><a href="http://ippex.pppl.gov/tokamak/tokamak.htm" rel="nofollow">found here</a></strong>) in a Desktop application (i.e. in a JFrame).</p> <hr> <p>Converting an Applet to a Desktop application is an "undertakable" task, the complexity of which depends on how much "Applet-specific" stuff is used by the Applet. It can be as simple as creating a JFrame and adding <code>myFrame.setContentPane(new myApplet().getContentPane());</code> or as complex as...hell.<br> <strong><a href="http://www.dreamincode.net/forums/topic/28410-application-to-japplet-and-reverse/" rel="nofollow">This tutorial</a></strong> might be a good place to start.</p> <hr> <p>After taking a look at the Applet at hand, it seems to be fairly easy to convert it. The only complicating factor is the use <code>Applet</code>'s methods <code>getCodeBase()</code> and <code>getImage(URL)</code> (somewhere in the code). These two methods result in a <code>NullPointerException</code> if the Applet is not deployed as...an Applet.</p> <p>So, what you can do is override those two methods in order to return the intended values (without the exception). The code could look like this:</p> <pre><code>/* Import the necessary Applet entry-point */ import ssfd.SteadyStateFusionDemo; /* Subclass SSFD to override "problematic" methods */ SteadyStateFusionDemo ssfd = new SteadyStateFusionDemo() { @Override public URL getCodeBase() { /* We don't care about the code-base any more */ return null; } @Override public Image getImage(URL codeBase, String imgPath) { /* Load and return the specified image */ return Toolkit.getDefaultToolkit().getImage( this.getClass().getResource("/" + imgPath)); } }; ssfd.init(); /* Create a JFrame and set the Applet as its ContentPane */ JFrame frame = new JFrame(); frame.setContentPane(ssfd); /* Configure and show the JFrame */ ... </code></pre> <p>The complete code for an example JFrame Class can be found <strong><a href="http://ideone.com/WCX3JI" rel="nofollow">here</a></strong>.</p> <hr> <p>Of course, you need to have all Classes from the original Applet accessible to your new Class (e.g. put the original Applet in your classpath).</p>

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