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package java8;

import java.util.Optional;

public class OptionalLesson {

public static void main(String[] args) {

Optional<String> optional = getO();

if(optional.isPresent()) {

System.out.println(optional.get());

}

}

static Optional<String> getO() {

if(false){

return Optional.of("Hello");

}

return Optional.empty();

}

}