意外と簡単で,こんなの. public class Test { public static void main(String[] args) { Test t = new Test(); t.doIt(Test.class.getName()); } public void doIt(String fqcn) { String resourcePath = fqcn.replace('.', '/') + ".class"; URL url = getClassLoader().getResource(resourcePath); String s = url.toExternalForm(); System.out.println("Test.doIt>" + s); } private ClassLoader getClassLoader() { return Thread.curr