GraalVM
GraalVM is a Java VM and JDK based on HotSpot/OpenJDK , implemented in Java . 
<triplet> GraalVM <subj> Java VM <obj> platform <subj> Java <obj> programming language <triplet> Java VM <subj> Java <obj> used by <triplet> JDK <subj> Java <obj> programming language <triplet> HotSpot <subj> Java VM <obj> use <triplet> OpenJDK <subj> Java VM <obj> platform <subj> Java <obj> programming language