Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.util.function.DoubleUnaryOperator;

public class Main {

    public static void main(String[] args) {
        DoubleUnaryOperator square = (x) -> {
            return x * x;
        };

        DoubleUnaryOperator doubleValue = (x) -> {
            return 2 * x;
        };

        System.out.println(doubleValue.compose(square).applyAsDouble(3.14));
    }
}