Java 8 streams blog titles
Stream operations
Collect(). Discussion and demo (code examples) of all collectors produced by Collectors factory methods.
Java streams 25. Collect 1. Custom collector
Java streams 26. Collect 2. The .maxBy() and .minBy() collectors
Java streams 27. Collect 3. Collectors summing, averaging, and summarizing
Java streams 28. Collect 4. Counting stream elements
Java streams 29. Collect 5. String.join() and Collectors.joining()
Java streams 30. Collect 6. Collectors.toList(), .toSet(), and .toCollection()
Java streams 31. Collect 7. Collectors.toMap() collector
Java streams 32. Collect 8. Collectors.toConcurrentMap() collector
Java streams 33. Collect 9. Collectors.groupingBy() collector
Java streams 34. Collect 10. Collectors.groupingByConcurrent() collector
Java streams 35. Collect 11. Collectors.partitioningBy() collector
Java streams 36. Collect 12. Collectors.mapping() collector
Java streams 37. Collect 13. Collectors.flatMapping() collector
Java streams 38. Collect 14. Collectors.reducing() collector
Java streams 39. Collect 15. Collectors.filtering() collector
Java streams 40. Collect 16. Collectors.toUnmodifiableList/Set/Map() collectors
Java streams 41. Collect 17. Collectors.collectingAndThen() collector