以前 抄抄範例 ，這邊會發現 int action 怎麼會跑出 int 出來？ 其實Enum 反編譯出來，會跟原本Enum 出來不一樣不知道這算不算是Java 語法糖? ... <看更多>

No, you can't do this in Java. Aside from anything else, d would then presumably be an instance of A (given the normal idea of "extends"), but users who ... ... <看更多>

This is the common base class of all Java language enumeration types. *. * More information about enums, including descriptions of the. ... <看更多>

What is the use of enum class in Java? A Java Enum is a special Java type used to define collections of ... ... <看更多>