To demonstrate the utility of the Introduce Parameter Object refactoring, let’s first look at the example from the last post which uses numerous String and boolean parameters in a method call ...

Function<Integer, String> innerClass = new Function<Integer, String>(){ public String apply ... Powerful methods such as map, reduce and flatMap all take a Java Function as a parameter. So if you plan ...

Person.java with Nested Builder, Custom Types, and Parameters Object. package dustin.examples; /** * Person class used as part of too many parameters demonstration.

java.util.function.UnaryOperator @FunctionalInterface public interface UnaryOperator<T> extends Function<T,T> T apply(T t) Applies this function to the given argument. Parameter Types: T - the input ...