Test.java

import java.util.function.*;
import java.util.stream.*;

public class Test {
    public static void main(String[] args) {
        Supplier<Integer> times = () -> 3;
        Function<Integer, String> dotimes = x -> {
            String val;
            switch(x) {
                case 1:  val = "once";
                         break;
                case 2:  val = "twice";
                         break;
                default: val = x + " times";
                         break;
            }
            return val + "!";
        };
        Consumer<String> cs = x -> System.out.println(x);
        IntStream.range(0, times.get())
                 .map(t -> t+1)
                 .forEach(n -> {cs.accept(dotimes.apply(n));});
    }
}