java8Examples/Java8Examples/src/optional/BasicEx.java at master · suatoz/java8Examples · GitHub

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package optional;

import java.util.Optional;

public class BasicEx {

public static void main(String[] args) {

Optional<String> gender = Optional.of("MALE");

String answ = "Yes";

String answ2 = null;

System.out.println("Non-Empty Op: " + gender);

System.out.println("Non-Empty Op. Gender Val: " + gender.get());

System.out.println("Empty Op " + Optional.empty());

System.out.println("ofNullable " + Optional.ofNullable(answ));

System.out.println("ofNullable " + Optional.ofNullable(answ2));

System.out.println("NullPointerException " + Optional.of(answ));

}

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