Good morning I do not understand why the example foo is the only one that can be executed ... if I change the names or parameters eclipse tells me an error!!! .. package Essai; | | public class Foo { | public int fooField; | | public Foo () { | fooField = 0; | } | | } | | package Essai; | | public class FooMixin implements FooMixinInt { | public FooMixin(){} | | public String fooMethod2 (int i) { | System.out.print("Message"); | return Integer.toString ( 4- i); | } | | } | package Essai; | public interface FooMixinInt { | public String fooMethod2 (int i); | } package Essai; | | public class Main { | | | public static void main(String[] args) { | | Foo foo = new Foo (); | FooMixinInt fooint = (FooMixinInt) foo; | String s = foo.fooMethod2(-2); | | } | | } <?xml version="1.0" encoding="UTF-8" standalone="yes"?> | <aop> | <introduction class="Essai.Foo"> | <mixin> | <interfaces>Essai.FooMixinInt</interfaces> | <class>Essai.FooMixin</class> | <construction>new Essai.FooMixin()</construction> | </mixin> | </introduction> | </aop> | | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4258573#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...