package class9_1_JavaFXAndFunctionalProgramming;// Dr. Yoder. MSOE. 07 February 2017

import java.util.function.Function;
import java.util.function.Predicate;

public class PureFunctional {
    public static void main(String[] args) {
        // Homework: Fill in this blank. Then uncomment the lines
        // below to see if it prints -1.
//        SimpleFunction cos = new SimpleFunction() {
//            @Override
//            public double function(double argument) {
//                return Math.cos(argument);
//            }
//        };
        Function<Double,Double> cos = theta -> Math.cos(theta);
        System.out.println("cos(pi) = " + cos.apply(Math.PI));
        Predicate<Double> biggerThanHalf = x -> x > 0.5;
        System.out.println("biggerThanHalf.test(0.6) = " + biggerThanHalf.test(0.6));
        System.out.println("biggerThanHalf.test(0.3) = " + biggerThanHalf.test(0.3));
    }
}


//public interface  SimpleFunction {
//    double function(double argument);
//}