© Kishori Sharan 2018
Kishori SharanJava Language Featureshttps://doi.org/10.1007/978-1-4842-3348-1_3

3. Reflection

Kishori Sharan1 
(1)
Montgomery, Alabama, USA
 
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 3-1. I use more modules in this chapter, which I show later.

// module-info.java
module jdojo.reflection ...

Get Java Language Features: With Modules, Streams, Threads, I/O, and Lambda Expressions now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial