Java: Float (class) vs float (primitive)
Float is a class, or a reference type, defined in the standard library. It stores a reference to an object containing a value (a "box").
float on the other hand, is a primitive type and part of the language itself. It stores an actual value.
We say that
Float is the wrapper type for
float, and objects of type
Float are boxed values.
Continue reading here:
Java: Primitives vs Objects and References
Java: Wrapper Types