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using collectingAndThen

This commit is contained in:
vizsoro 2018-09-23 20:25:06 +02:00
parent 31a8f2a4ec
commit f599419181
1 changed files with 3 additions and 3 deletions
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6
spring-boot-mvc/src/main/java/com/baeldung/springbootmvc/jsfapplication/model/TodoDao.java
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@ -14,7 +14,7 @@ import org.springframework.stereotype.Component;
public class TodoDao implements Dao<Todo> {
private List<Todo> todoList = new ArrayList<>();
@Override
public Optional<Todo> get(int id) {
return Optional.ofNullable(todoList.get(id));
@ -22,9 +22,9 @@ public class TodoDao implements Dao<Todo> {
@Override
public Collection<Todo> getAll() {
return Collections.unmodifiableCollection(todoList.stream()
return todoList.stream()
.filter(Objects::nonNull)
.collect(Collectors.toList()));
.collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
}
@Override