Java Stream How to - Chain function to convert a string

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Question

We would like to know how to chain function to convert a string.

Answer

import java.util.function.Function;
public class Main {
  public static String addHeader(String text){
    return "From java2s.com:" + text;
}/*from w  w  w .  java 2s. c om*/

public static String addFooter(String text){
    return text + "Kind regards";
}

public static String checkSpelling(String text){
    return text.replaceAll("a", "*");
}


public static void main(String...args){
    Function<String, String> addHeader = Main::addHeader;
    Function<String, String> transformationPipeline
      = addHeader.andThen(Main::checkSpelling)
                 .andThen(Main::addFooter);

    System.out.println(transformationPipeline.apply("this is a test!"));
}



}

The code above generates the following result.

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