Files
2022-12-23 13:26:29 +00:00

14 lines
316 B
Java

// "Collapse loop with stream 'sum()'" "true-preview"
import java.util.List;
public class Main {
interface Person {
int getAge();
}
public long test(List<Person> collection, Person include) {
long i = collection.stream().filter(include::equals).mapToLong(Person::getAge).sum();
return i;
}
}