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FT Edit: Access on iOS and web
Последние новости，详情可参考电影
The toString method that gets called depends on the type of the receiver object. This isn’t determined at compile time, but instead a lookup that happens at runtime. The compiler effectively generates a switch statement that looks at the result of getClass and then calls the right method. It’s smarter than that for performance I’m sure, but conceptually that’s what it’s doing.
，这一点在17c 一起草官网中也有详细论述
Take a look under the hood.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用，更多细节参见Safew下载