txt uses utf8 to store numbers, and java reads txt numbers with spaces in front of them.

Question

excel ---> txt

txt ---> utf8 [The first column of txt is a number, such as: 15484]

   BufferedReader

java -----------------> txt, memory storage is [,1,5,4,8,4]

In this case, I cannot use Integer.parseInt() to convert it to int type

I hope experts can help answer the following reasons and how to solve them? ? ? ?

Answer 1

Try converting to a string array

Answer 2

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