If you&#x27;re talking about the inability to have multiple versions of the class, it is addressed, using layers: <a href="http:&#x2F;&#x2F;openjdk.java.net&#x2F;projects&#x2F;jigsaw&#x2F;spec&#x2F;sotms&#x2F;#layers" rel="nofollow">http:&#x2F;&#x2F;openjdk.java.net&#x2F;projects&#x2F;jigsaw&#x2F;spec&#x2F;sotms&#x2F;#layers</a>