Java Stream Vs IntStream : Which one for better performance ? | Boxing & Unboxing in Stream API

Опубликовано: 14 Март 2025
на канале: Selenium Express

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In this video, We will look at the IntStream interface from Stream API. Java allows us to do boxing and unboxing and of course, autoboxing and autounboxing but, Does Stream API in java allows this ?

Can we convert a Stream of Integers to primitive int's ? Do we have boxing and unboxing concept in Stream API as well ?

That's something we are going to explore in this video.

In this video, We will learn the following topics :
1) Boxing and Unboxing in java
2) The IntStream
3) Difference between Java Stream Vs IntStream
4) Boxing and Unboxing in Stream API.

Timestamp
-----------------
00:00 - Today's Java Stream Topic
02:15 - What is boxing in Java ?
04:25 - What is auto boxing in java ?
07:40 - What is Auto Unboxing in java ?
09:56 - What is unboxing in java ?
13:46 - IntStream for primitive int
17:35 - IntStream : For better performance ?
20:52 - Int vs Integer : Memory Analysis
23:48 - IntStream : sum,min,max,avg
25:23 - OptionalInt
29:31 - Introducing reduce() of Stream API
33:37 - How reduce method in Stream API works ?
46:10 - Unboxing in stream api
49:32 - mapToInt()
50:40 - ToIntFunction
59:15 - Boxing in Stream API
01:00:05 - range vs rangeClosed
01:02:11 - boxed() in Stream
01:08:47 - Assignment
01:11:20 - What's Next ?

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