import java.awt.event.*;
import java.lang.reflect.*;

public class Test {
    public static void main(String[] args) throws Exception {
        ActionListener ac = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println("actionPeformed");
            }

            public void myMethod() {
                System.out.println("myMethod");
            }
        };
        ac.actionPerformed(null);
        Method myMethod = ac.getClass().getMethod("myMethod", new Class[0]);
        myMethod.invoke(ac);
    }
}