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                ## 1、概述 * Final關鍵字修飾的類,就是最終類; * Final關鍵字修飾的方法,就是最終方法; * 最終類:該類只能實例化,不能被繼承。該類十分完善了,不需要升級和擴展。 * 最終方法:該方法可以被繼承,但不能重寫。該方法十分完善了,不需要重寫了。 ## 2、實例:最終類和最終方法演示 ![](https://img.kancloud.cn/d1/26/d1263f4263013622b21aca69a01193fc_839x240.png) ![](https://img.kancloud.cn/e5/a9/e5a95bb25deaf5ce1e171d233bab521a_786x401.png) 提示:類是我們自己設計的,我們怎么設計,他們就怎么用。
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