Java support all sorts of memory barriers via VarHandles (see GET_OPAQUE/SET_OPAQUE). VarHandles can be created from contents of ByteBuffers: https://docs.orac

Java support all sorts of memory barriers via VarHandles (see GET_OPAQUE/SET_OPAQUE). VarHandles can be created from contents of ByteBuffers: https://docs.oracle.com/javase/9/docs/api/java/lang/invoke/MethodHandles.html#byteBufferViewVarHandle-java.lang.Class-java.nio.ByteOrder- https://docs.oracle.com/javase/9/docs/api/java/lang/invoke/M...