Episode N°11 of the "Learning Java" playlist - We discuss the notion of Map in Java.
In this tutorial we will discuss the Map family and more particularly two widely used types: HashMap and LinkedHashMap.
You can find the Map interface in other programming languages like JavaScript, Python, C#, etc...!
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👨🏫 Link to the Google Slide of the video: docs.google.com/presentation/... (some additions are made during the editing of the video, the document provided may seem incomplete)
Example code on GitHub: github.com/JirAWS-yt/Java-Map...
Oracles List documentation: docs.oracle.com/javase/8/docs...
📖 Video chapters:
00:00 - Introduction
00:18 - Maps (HashMap, LinkedHashMap, TreeMap)
00:32 - Definition of Maps and JSON (JavaScript Object Notation)
01:00 - How Maps work (Example)
01:51 - Methods (Map)
02:41 - HashMap vs. LinkedHashMap
04:02 - Practical Case
05:35 - End
Again and again, the notion of "reference" is important to approach Object Oriented Programming (OOP), you will find in this playlist a video dealing with the subject.
The video link: • Apprendre Java #2 Vari...
We will discuss the two types of Map "HashMap" and "LinkedHashMap".
We will see that they have an almost similar operation based on "pairs" of "key" and "value", but that a difference will set them apart.
We will see in the next practical video different use cases of these two types of Map to better understand how to choose them according to the code that we are writing.
In the next videos, we will discuss the notions of Genericity (disregarding Object Types), Design Pattern, etc... in Java.
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Негізгі бет Ғылым және технология Learn Java #11 Map (HashMap / LinkedHashMap)
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