Functional Programming in Java (for james tumino) by Venkat Subramaniam

Author:Venkat Subramaniam
Language: eng
Format: epub
Tags: Pragmatic Bookshelf
ISBN: 978-1-937785-46-8
Publisher: The Pragmatic Bookshelf, LLC (480851)

Now let’s invoke the apply method on the resulting wrapper.

​ wrapper.apply(input);

The result of that call is the same as doing this:

​ temp = target.apply(input);

​ return next.apply(temp);

Without the temporary variable, it would be like this:

​ return next.apply(target.apply(input));

Let’s write a setFilters method that takes a varargs of Function; we can send zero or more filters to this function. In addition, let’s create the constructor for the Camera.

designing/fpij/Camera.java

​ ​public​ ​void​ setFilters(​final​ Function<​Color​, ​Color​>... filters) {

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