Metamorphosis
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计算字符串中子串出现的位置时结果出现了两次,可能原因是什么?

把 fromIndex = fromIndex+ s1.length(); 改为 fromIndex = index+ s1.length();
原发布于 https://www.zhihu.com/question/19887291/answer/13256678


published 21 Oct 2011
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