java.lang.NumberFormatException: For input string: NaN 什么意思
2016-12-10 15:36
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NaN的意思是Not a Number,个错误是java.lang里面的数据类型错误,For input string表示输入的String字符串,整个语句表示的错误就是你输入的String数据类型有误(可能是长度有误,可能是不符合规则等)
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