Java Reflection - Your key to understanding Java development.

Published: 31 October 2024
on channel: JavaRangers

1,434

In this video, I'll talk about reflection in Java—a powerful tool for working with code at runtime. We'll look at how reflection can be used to manipulate class fields, methods, and constructors without knowing them in advance. I'll show examples of accessing private fields and methods, as well as how to use reflection to call methods and change field values on the fly.
If you'd like to learn how reflection is used in popular frameworks like Spring and how it helps you build flexible and extensible applications, this video is for you!

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Timestamps:
0:00 Intro
0:08 Introduction
0:32 What is Reflection
1:29 Working with Classes and Fields
5:28 Working with Methods
8:39 Working with Constructors
11:26 Accessing Private Fields
13:34 Accessing Private Methods
14:45 Working with Static Methods
15:42 Cons and Pitfalls of Reflection
16:28 When Should You Use Reflection?
17:01 Conclusion

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