OnJava8-Examples/functional/Curry3Args.java

// functional/Curry3Args.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.util.function.*;

public class Curry3Args {
   public static void main(String[] args) {
      Function<String,
        Function<String,
          Function<String, String>>> sum =
            a -> b -> c -> a + b + c;
      Function<String,
        Function<String, String>> hi =
          sum.apply("Hi ");
      Function<String, String> ho =
        hi.apply("Ho ");
      System.out.println(ho.apply("Hup"));
   }
}
/* Output:
Hi Ho Hup
*/