Codinko - Java 8

Functional Programming & Functional Interface & Lambda expressions & Method References & Code examples & Java 8 Comparator Example Using Lambda Expressions, Method References

Default, Defender or Extension Method of Java 8

Various ways to convert List to Map

Join Strings with delimiter

Abstract Class vs Interface

(Stream.map.filter) and (Stream.map.anyMatch) vs for-loop use-case with condition apply Is Collection.stream().filter().forEach() inefficient compared to a standard for each loop?

When is Stream.filter() very much slower than old for loop with manual filtering

Default, Defender or Extension Method of Java 8

Sort objects in a collection by that object attribute say id or name ?

Streams filter() and collect()

Streams filter(), findAny() and orElse()

Streams filter() and map()

Stream.collect() and Collectors class

Map function in Java 8 stream API - to transform each element of Collection

Functional Interfaces in Java 8 Stream

Streams filter() and collect(). stream.filter() to filter a List, and collect() to convert a stream into a List.

Streams with map-reduce code usage

Stream.of(Array-of-objects) and List.stream()

Stream Operations(Intermediate & Terminal) - forEach, map, collect, filter, findFirst, toArray, flatMap, peek, reduce

Comparison based Stream Operations - sorted, min, max, distinct, allMatch, anyMatch, noneMatch

Stream vs IntStream

Specialized Operations in Stream such as sum(), average(), range() etc

Reduction Operations(single summary result) such as fndFirst(), min() , max(), reduce(), Collectors.toList() ,Advanced Collect such as joining, toSet(), toCollection(), summarizingDouble(), summaryStatistics(), partitioningBy(), groupingBy(), mapping(), reducing(),

Parallel Streams

When to use a Parallel Stream? Java 8 Streams Guide & Infinite Streams using Stream.generate() and Stream.iterate()