To answer your second question, yes, you can cast the List<?> as a List<Object> or a List<T> of any type, since the ? (Wildcard) parameter ... ... <看更多>
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To answer your second question, yes, you can cast the List<?> as a List<Object> or a List<T> of any type, since the ? (Wildcard) parameter ... ... <看更多>
前言上一篇已經先闡述Collection 在Java 中所扮演的角色，在這篇教學中會教各位如何使用java.util.List.* 的物件。 ... <看更多>
A short tutorial on using ArrayList with objects in Java. ... <看更多>
import java.util.List;. import java.util.stream.Collectors;. public class CreateListsOfProperties {. private static final List<Person> PEOPLE = List.of(new ... ... <看更多>
If you are using Java 8, you can do: private String[] getFields() { Class<? extends Component> componentClass = getClass(); Field[] fields ... ... <看更多>