As a preparation, some parts of the standard library indeed had to be rewritten in pure Java to be compatible with Loom, for example the socket implementations.

As a preparation, some parts of the standard library indeed had to be rewritten in pure Java to be compatible with Loom, for example the socket implementations. https://openjdk.java.net/jeps/373 https://openjdk.java.net/jeps/373 http://openjdk.java.net/jeps/353 http://openjdk.java.net/jeps/353