import java.util.function.BiFunction;

public class BiFunctionDemo {
  public static void main(String args[])
  {
      BiFunction<Integer, Integer, Integer> composite1 = (a, b) -> a + b;

      composite1 = composite1.andThen(a -> 2 * a);

      System.out.println("Composite1 = " + composite1.apply(2, 3));

      BiFunction<Integer, Integer, Integer> composite2 = (a, b) -> a * b;

      composite2 = composite2.andThen(a -> 3 * a);

      System.out.println("Composite2 = " + composite2.apply(2, 3));
  }
}