Нархов ЯП ЛАБА 6

//////////// Main
public class Main {
    public static void main(String[] args) {
        Lambda lambda=new Lambda();
        lambda.geometry((value -> { // cos с помощью лямбда
            System.out.printf("cos(%s)= %s%n",value,Math.round(Math.sin(value)*100)/100.0);
        }));
        lambda.geometry((value -> { // sin с помощью лямбда
            System.out.printf("sin(%s)= %s%n",value,Math.round(Math.sin(value)*100)/100.0);
        }));
        lambda.geometry((value -> { // arccos с помощью лямбда
            System.out.printf("arccos(%s)= %s°%n",value,Math.round(Math.acos(value)*57*100)/100.0);
        }));

    }
}

///////////// Lambdable
public interface Lambdable {
    void testing(double value);
}

//////////// Lambda
import java.util.Scanner;

public class Lambda {
    public void geometry(Lambdable lambdable){
        Scanner scanner=new Scanner(System.in);
        System.out.println("Введите число: ");
        double value=scanner.nextDouble();
        lambdable.testing(value);
    }
}