Ptt 大爆卦 | ArrayList object - 前往 https://www.codeproject.com/Questions/1146809/Adding-an-object-to-a-arraylist-creates-an-identif

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並前往https://www.codeproject.com/Questions/1146809/Adding-an-object-to-a-arraylist-creates-an-identif

Adding an object to a arraylist creates an identifier error?

Turns out I couldn't call methods (like the .add() method) from directly within the class, not in a method. Problem solved :/.

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