public enum DataOperation extends Enum<DataOperation>
public static final DataOperation ADD
public static final DataOperation REMOVE
public static final DataOperation UPDATE
public static final DataOperation QUERY
public static DataOperation[] values()
for (DataOperation c : DataOperation.values()) System.out.println(c);
public static DataOperation 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 © 2023 The Ant Financial. All rights reserved.