주가 폭락에…코스피·코스닥 서킷브레이커 발동
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.
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FT Edit: Access on iOS and web，这一点在体育直播中也有详细论述
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