More Java 17: An In-Depth Exploration of the Java Language and Its Features

© Kishori Sharan, Peter Späth 2021

K. Sharan, P. SpäthMore Java 17 https://doi.org/10.1007/978-1-4842-7135-3_2

2. Reflection

Kishori Sharan¹   and Peter Späth²

(1)

Montgomery, AL, USA

(2)

Leipzig, Sachsen, Germany

 

In this chapter, you will learn:

• What reflection is

• What a class loader is and about the built-in class loaders

• How to use reflection to get information about classes, constructors, methods, etc. at runtime

• How to access fields of an object and a class using reflection

• How to create objects of a class using reflection

• How to invoke methods of a class using reflection

• How to create arrays using reflection

Most example programs in this chapter are a member of a jdojo.reflection module, as declared in Listing 2-1. I use more modules in this chapter, ...