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[概念] 請問關於Java的constructor

作者: valda (valda)   2011-07-20 00:51:01
大家好~之前在公司主要維護VB6.0開發的AP，最近轉換跑道，新公司是用JAVA當作
開發工具，所以最近都在念JAVA，在看Thinking in JAVA時，看到關於constructor
的章節，裡面有提到將constructor變成private，我實在不太懂為何要將constructor
變成private，然後用static method回傳此class的instance，實在不懂為何要這樣
做？請各位前輩指點，感謝
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