Java 8 Crash Course For Beginners (2021)
Learn Java 8 new features in a video.
This video is a crash course on all major and new topics from Java 8.
Following topics are covered in this video:
1) Lambdas expression
2) Functional Interface
3) default methods in an interface
4) A look at out of the box functions (functional interfaces)
5) Streams API - foreach, filter, map
6) Optional classes
7) Not so common methods - flatMap, reduce, findAny, Collectors and other methods.
I have listed a lot more topics that I would be covering in future in the form of a playlist or a crash course.
So, if you're new to this channel consider Subscribing.
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Timestamps:
0:00 Introduction
1:00 Lambda expression
13:19 Functional Interface
15:48 default methods
18:39 Out of the box functional interfaces
23:26 Stream API
24:10 forEach
25:39 map method of stream
29:49 filter
39:43 flatMap
44:22 Optional classes
50:10 reduce
55:53 count, anyMatch, findAny, findFirst
58:52 forEach for a Map
59:53 collect method
1:03:32 merge function
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