Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.OptionalInt;
import java.util.stream.IntStream;

public class Main {
    public static void main(String[] args) {
        IntStream i = IntStream.of(1, 2, 3, 4);
        OptionalInt n = i.findFirst();
        if (n.isPresent()) {
            System.out.println(n.getAsInt());
        } else {
            System.out.println("noValue");
        }
    }
}