public abstract float get (String name, float val) throws IOException

Get the value of the named float field from the persistent field.

Parameters:
name    the name of the field
val    the default value to use if name does not have a value

Returns:  the value of the named float field

Exceptions:
IOException    if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException    if type of name is not serializable or if the field type is incorrect