Java8 Stream groupingBy() Method | Java8 Stream Tutorial
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Java8 Stream groupingBy() Method
Welcome to our comprehensive Java 8 tutorial, where we delve into the powerful Stream API. In this tutorial, we demystify the Java 8 Stream API, exploring its key concepts, methods, and best practices for efficient data processing. From filtering and mapping to reducing and collecting, we cover it all. Whether you're a beginner or an experienced Java developer looking to level up your skills, this tutorial has something for you. Join us on this journey to mastering the Java 8 Stream API and unlock the full potential of functional programming in Java. Let's dive in!
Course Content
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1. Stream API Introduction
Introduction to stream API
How Stream API works ?
Features of Stream
Create Stream Instance
Comparing Streams vs Collections
2. Stream API : Stream Operations
Java8 Stream - forEach()
Java8 Stream - collect()
Java8 Stream Operation - toArray()
Java8 Stream Operation - map()
Java8 Stream Operation - flatMap()
Java8 Stream Operation - flatMap() with Custom Object
Java8 Stream Operation - distinct() , count(), sorted()
Java8 Stream Operation - filter()
Java8 Stream Operation - reduce()
Java8 Stream Operation allMatch(), anyMatch() and noneMatch()
Java8 Stream Operation - findAny() and findFirst()
3. Stream API : Terminal Operations
Java8 sum() , avg() using collect()
Java8 joining()
Java8 counting()
Java8 minBy() , maxBy() using collect()
Java8 groupingBy()
Java8 partitioningBy()
4. Stream API : Numeric Streams
Introduction to Numeric Stream
Java8 NumericStream - range() , rangeClosed(), count(), foreach()
Java8 NumericStream - sum() , max(), min(), average()
Java8 NumericStream - Boxing ,Unboxing, mapToInt()
Java8 NumericStream - mapToObj(), mapToDouble(), maptoLong()
5. Stream API : Parallel Processing
Introductionto Prallel Streams
How Parallel Stream works ?
Create Parallel Stream
Java8 Build a Parallel Stream Pipeline
Java8 Comparing Performance of Sequential vs Parallel Streams
Java8 When not to use Parallel Stream
6. Important Logical Programs for Interview using Stream
Find Sum of all the elements
Random Number Generator
Find Duplicates from a list/array of numbers
Find Duplicate from list/array in a Custom Object
Remove Duplicates from a list/array of numbers
Find Second Largest Element
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