Returns an immutable list containing only the specified object.
The returned list is serializable.
@param !(T) the class of the objects in the list
@param o the sole object to be stored in the returned list.
@return an immutable list containing only the specified object.
Returns an immutable list containing only the specified object. The returned list is serializable.
@param !(T) the class of the objects in the list @param o the sole object to be stored in the returned list. @return an immutable list containing only the specified object.