public enum TopicAction extends Enum<TopicAction>
public static final TopicAction ADD
public static final TopicAction REMOVE
public static TopicAction[] values()
for (TopicAction c : TopicAction.values()) System.out.println(c);
public static TopicAction valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值Copyright © 2018. All rights reserved.