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                訪問修飾符 override 當一個被聲明的字段也出現在父類(第2.3.2節)時是必須的。它的目的是確保類的作者意識到 override 因為這不能總是被明顯的在龐大的類層級中。此外,字段有override關鍵字而實際上沒有覆蓋任何字段會(例如由于一個拼寫錯誤的字段名)引發一個錯誤。 > The access modi?er override is required when a ?eld is declared which also exists on a parent class(2.3.2). Its purpose is to ensure that the author of a class is aware of the override as this may not always be obvious in large class hierarchies. Likewise, having override on a ?eld which does not actually override anything (e.g. due to a misspelled ?eld name) triggers an error. 重載字段的效果在重載方法(第4.3.1節)詳述。這個修飾符只允許用于方法(第4.3節)字段。 > The effects of overriding ?elds are detailed in Overriding Methods (Section 4.3.1). This modi?er is only allowed on method (4.3) ?elds.
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