public interface Emptiable
Rangewhen the lower bounds is equals to the upper bounds and at least one bound is exclusive.
AbstractMetadatawhen no property value has been given to the metadata, or all properties are themselves empty.
AbstractEnvelopewhen the span, surface or volume inside the envelope is zero.
isEmpty()method, for consistency with collections in
java.utiland other libraries. This policy avoid duplicated calls to
isEmpty()methods when the caller need to check for both
Defined in the
trueif this instance is empty. The definition of "emptiness" may vary between implementations. For example
trueif all values are
NaN(i.e. uninitialized) while
trueif the geometric surface is zero.
trueif this instance is empty, or
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