25 lines
673 B
Java
25 lines
673 B
Java
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// functional/FunctionComposition.java
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// <20>2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import java.util.function.*;
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public class FunctionComposition {
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static Function<String, String>
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f1 = s -> {
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System.out.println(s);
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return s.replace('A', '_');
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},
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f2 = s -> s.substring(3),
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f3 = s -> s.toLowerCase(),
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f4 = f1.compose(f2).andThen(f3);
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public static void main(String[] args) {
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System.out.println(
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f4.apply("GO AFTER ALL AMBULANCES"));
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}
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}
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/* Output:
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AFTER ALL AMBULANCES
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_fter _ll _mbul_nces
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*/
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