public <T> T getInstance(Class<T> clazz, String code,String packageName)
        throws IOException, InstantiationException, IllegalAccessException, NameNotFoundException {
    final String name =  getClassName(code);
    final Path wrappedCodede = wrapCode(packageName, name, code);
    final Path classFile = compile(wrappedCodede);
    final ClassLoaderFromTemp loader = new ClassLoaderFromTemp();
    final Class<?> p1Class = loader.findClassInTemp(classFile);
    final Object instace = p1Class.newInstance();

    cleanupTmp();

    return clazz.cast(instace);
}

public static void main(String[] args) {
    try {
        AgentBuilder.addToClassPath("src");
        AgentBuilder ab = new AgentBuilder();
        ab.getInstance(Ship.class, CODE, "Teste");
    } catch (Exception e) {
        System.out.println(e.getMessage());
    }
}

void checkCode() throws SoncException {
    try {
        AgentBuilder agentBuilder = new AgentBuilder();
        agentBuilder.getInstance(Ship.class, this.code, this.nick);
    } catch (IOException | InstantiationException | IllegalAccessException | NameNotFoundException
            | NullPointerException | ClassCastException e) {
        throw new SoncException("An error occurred on checking player's code.", e);
    }
}