Data update

Task/Higher-order-functions/Java/higher-order-functions-3.java

@@ -0,0 +1,20 @@
+import module java.base;
+
+public final class HigherOrderFunctions {
+
+	public static void main() {
+		Function<Integer, Integer> square = n -> n * n;
+		
+		Function<Integer, Integer> cube = n -> n * n * n;
+		
+		BiConsumer<String, Function<Integer, Integer>> demonstration = (s, f) -> {
+			IO.print(s + " => ");
+			IntStream.rangeClosed(1, 9).forEach( i -> IO.print("%4s".formatted(f.apply(i))) );
+			IO.println();			
+		};
+		
+		demonstration.accept("Squares", square);
+		demonstration.accept("Cubes  ", cube);
+	}
+
+}