当使用单身人士不是一个好习惯时
问题描述：
当使用单例方法不是一个好习惯时
when using a singleton is not a good practice
答
现在，这无疑是您的家庭作业问题之一.到现在为止，我不确定您问的其他问题是否是家庭作业/面试问题.
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Now, this surely is one of your homework question. Till now, I wasn''t sure if the other questions you asked were homework/interview questions or not.
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