When using the Java 8 Optional class, there are two ways in which a value can be wrapped in an optional.
String foobar = <value or null>;
Optional.of(foobar); // May throw NullPointerException
Optional.ofNullable(foobar); // Safe from NullPointerException
I understand Optional.ofNullable is the only safe way of using Optional, but why does Optional.of exist at all? Why not just use Optional.ofNullable and be on the safe side at all times?
