20 lines
512 B
Java
20 lines
512 B
Java
import module java.base;
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public final class HigherOrderFunctions {
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public static void main() {
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Function<Integer, Integer> square = n -> n * n;
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Function<Integer, Integer> cube = n -> n * n * n;
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BiConsumer<String, Function<Integer, Integer>> demonstration = (s, f) -> {
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IO.print(s + " => ");
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IntStream.rangeClosed(1, 9).forEach( i -> IO.print("%4s".formatted(f.apply(i))) );
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IO.println();
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};
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demonstration.accept("Squares", square);
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demonstration.accept("Cubes ", cube);
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}
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}
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