import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Arrays;

import java.util.Optional;

import java.util.stream.Stream;

public class StreamDemo {

public static void main(String[] args) {

String[] arr = new String[]{"a", "b", "2000"};

Stream<String> stringStream = Arrays.stream(arr);

stringStream.map(l -> l)

.forEach(System.out::println);

Optional<Integer> intD = Optional.of(1);

int data = intD.orElse(0);

System.out.println(data);

// Path p = Paths.get("/home", "kim", "myapp.properties");

}

}