Answers for "convert optional to object java"

instantiate optinal java 8

Person p = new Person();
Optional<Person> op = Optional.of(p);

convert optional object to object java

yourOptional.get()

java optional to collection

public static <T> List<T> toList(Optional<T> opt) {
    return opt
            .map(Collections::singletonList)
            .orElseGet(Collections::emptyList);
}

instantiate optinal java 8

Person p = new Person();
Optional<Person> op = Optional.of(p);

convert optional object to object java

yourOptional.get()

java optional to collection

public static <T> List<T> toList(Optional<T> opt) {
    return opt
            .map(Collections::singletonList)
            .orElseGet(Collections::emptyList);
}