Instead of `Short.valueOf(value).toString()` we can implement `UByte#toString()` as `Short.toString(value)`. Also `UByte#hashCode()` can be changed from `Short.valueOf(value).hashCode()` to ...

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...

public boolean equals(Object obj) Indicates whether some other object is "equal to" this one. The equals method implements an equivalence relation on non-null object ...