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Beginning Java 8 Language Features: Lambda Expressions, Inner Classes, Th reads, I/O, Collections,and Streams by Kishori Sharan

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CHAPTER 3

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Reflection

In this chapter, you will learn

  • What reflection is
  • 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

What Is Reflection?

Reflection is the ability of a program to query and modify its state “as data” during the execution of the program. The ability of a program to query or obtain information about itself is known as introspection. The ability of a program to modify its execution ...

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