return true if there is a value present , otherwise false . concode_field_sep DistributedOptional<?> EMPTY concode_elem_sep T value concode_field_sep DistributedOptional<T> ofNullable concode_elem_sep T orElse concode_elem_sep DistributedOptional<T> empty concode_elem_sep T orElseThrow concode_elem_sep DistributedOptional<T> filter concode_elem_sep DistributedOptional<U> flatMap concode_elem_sep T orElseGet concode_elem_sep int hashCode concode_elem_sep DistributedOptional<T> of concode_elem_sep T get concode_elem_sep void ifPresent concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep DistributedOptional<U> map
boolean function ( ) { return value != null ; }