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java - 错误 : exception IOException is never thrown in body of corresponding try statement

转载 作者:行者123 更新时间:2023-11-29 06:36:51 27 4
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我每次都会收到一个错误。我究竟做错了什么?

我的代码:

 public static void hashMap(String crnString)
{
try
{
if (mMap.containsKey(crnString))
{
int count = mMap.get(crnString);
count++;
mMap.put(crnString, count);
}
else
{
mMap.put(crnString, 1);
}
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
}
}

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