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Learning Java Functional Programming

You're reading from   Learning Java Functional Programming Create robust and maintainable Java applications using the functional style of programming

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Product type Paperback
Published in Oct 2015
Publisher
ISBN-13 9781783558483
Length 296 pages
Edition 1st Edition
Languages
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Authors (2):
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Richard M. Reese Richard M. Reese
Author Profile Icon Richard M. Reese
Richard M. Reese
Richard M Reese Richard M Reese
Author Profile Icon Richard M Reese
Richard M Reese
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Toc

Table of Contents (11) Chapters Close

Preface 1. Getting Started with Functional Programming 2. Putting the Function in Functional Programming FREE CHAPTER 3. Function Composition and Fluent Interfaces 4. Streams and the Evaluation of Expressions 5. Recursion Techniques in Java 8 6. Optional and Monads 7. Supporting Design Patterns Using Functional Programming 8. Refactoring, Debugging, and Testing 9. Bringing It All Together Index

Refactoring functional code


Refactoring code is the process of reworking the code to improve its readability and the maintainability of the program. In this section, we will examine the refactoring support provided by NetBeans and Eclipse. This support can be categorized as follows:

  • Converting anonymous inner classes to lambda expressions

  • Refactoring multiple instances of code

  • Miscellaneous refactoring support

In Chapter 2, Putting the Function in Functional Programming, we demonstrated how to convert the following anonymous inner class to a lambda expression:

    List<String> list = Arrays.asList("Huey", "Dewey", "Louie");
    list.forEach(new Consumer<String>() {
        @Override
        public void accept(String t) {
            System.out.println(t);
        }
    });

We will use this example to demonstrate refactoring.

NetBeans support for refactoring

We will examine how refactoring can be achieved in NetBeans. This IDE provides the basic functionality needed for most of the common...

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