Yes, you can convert an array to Stream in Java. The Stream class provides a factory method to create a Stream from an array, like Stream .of(T ...) which accepts a variable argument, that means you can also pass an array to it as shown in the following example:
Stream numbers = Stream.of(languages);
So, yes, it's possible to convert an array to Stream in Java 8. You can even convert an ArrayList to Stream, as explained in that article.