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  1. PO
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    <p>There's a snippet from <a href="http://snippets.dzone.com/posts/show/4831" rel="nofollow noreferrer">here</a> that does exactly what you want, assuming the classes can be found <strong>locally</strong>:</p> <pre><code>private static Class[] getClasses(String packageName) throws ClassNotFoundException, IOException { ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); assert classLoader != null; String path = packageName.replace('.', '/'); Enumeration&lt;URL&gt; resources = classLoader.getResources(path); List&lt;File&gt; dirs = new ArrayList&lt;File&gt;(); while (resources.hasMoreElements()) { URL resource = resources.nextElement(); dirs.add(new File(resource.getFile())); } ArrayList&lt;Class&gt; classes = new ArrayList&lt;Class&gt;(); for (File directory : dirs) { classes.addAll(findClasses(directory, packageName)); } return classes.toArray(new Class[classes.size()]); } private static List&lt;Class&gt; findClasses(File directory, String packageName) throws ClassNotFoundException { List&lt;Class&gt; classes = new ArrayList&lt;Class&gt;(); if (!directory.exists()) { return classes; } File[] files = directory.listFiles(); for (File file : files) { if (file.isDirectory()) { assert !file.getName().contains("."); classes.addAll(findClasses(file, packageName + "." + file.getName())); } else if (file.getName().endsWith(".class")) { classes.add(Class.forName(packageName + '.' + file.getName().substring(0, file.getName().length() - 6))); } } return classes; } </code></pre>
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    1. POJava Package Introspection
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    1. USJoão Silva
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      1. VTUpMod
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    1. CODoes this work with jar'ed classes?
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      1. USThorbjørn Ravn Andersen
    2. COAs far as I can tell this will fail if you have a jar (-1) but is a decent routine for looking for .class files for discovery (+1) so you break even :)
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      1. USBill K
    3. COThe above code not only assumes that classes from the given package are local, but also that they have all been loaded by the same class loader AND they haven't been packaged.
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      1. USChssPly76
 

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