Optional ofNullable

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Language: Java

Posted by: Davide Davide

Added: Mar 4, 2022 3:00 PM

Modified: Mar 7, 2022 9:42 AM

Tags: collection java

Optional.ofNullable(vehicleRecords.stream()).orElse(Stream.empty()).collect(Collectors.toMap(vr -> vr.getStopPointRef() + vr.getVisitNumber(), vehicleRecord -> vehicleRecord));