Exploiting java security applications using java assist

JavaAssistCrack.java

private static void removeLicenseCheck() throws NotFoundException, CannotCompileException {
        ClassPool cp = createClassPool();
        CtClass ctClass = cp.get("A.A.A.C.A.M");
        CtMethod[] ms = ctClass.getDeclaredMethods();
        Optional<CtMethod> first = Arrays.asList(ms)
                .stream()
                .filter(e -> e.getLongName().contains("A.A.A.C.A.M.A(A.A.A.D.T)"))
                .findFirst();

        CtMethod m = first.get();
        m.setBody(" { System.out.println(\"Bypassing license check\"); return true; }");
        ctClass.toClass();
}